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Respiratory Virus Report, Week 26 - ending July 2, 2022

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Organization: Public Health Agency of Canada

In this Respiratory Virus Report, the number of detections of coronavirus reflects only seasonal human coronaviruses, not the novel pandemic coronavirus (SARS-CoV-2) that causes COVID-19. For information on COVID-19, see the Coronavirus disease (COVID-19): Outbreak update

Overall Summary

The total number of respiratory virus detections have decreased in recent weeks.

  • Influenza activity has continued to decrease, and remains below the epidemic threshold and near expected levels.
    • A total of 276 influenza detections were reported (268 influenza A, 8 influenza B).
  • Enterovirus/Rhinovirus is the most common seasonal respiratory virus detected in Canada (347 detections; 15.4% positive). Activity is fluctuating and below expected levels for this time of year.
  • Activity of other respiratory viruses is near expected levels.  
  • The number of tests performed for all viruses was above expected levels.
  • 30/34 sentinel laboratories reported surveillance data.

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Abbreviations:
Flu
Influenza
Flu A(H1)pdm09
Influenza A(H1N1)pdm09
Flu A(H3)
Influenza A(H3N2)
Flu A(UnS)
Influenza A(Unsubtyped)
RSV
Respiratory syncytial virus
HPIV
Human parainfluenza virus
HMPV
Human metapneumovirus
ADV
Adenovirus
EV/RV
Enterovirus/Rhinovirus
HCoV
Human coronavirus
Atl
Atlantic Canada
BC
British Columbia
Can
Canada
EORLA
Eastern Ontario Regional Laboratory Association
HSC
Health Sciences Centre
N.C.
Data not collected
N.R.
Data not reported for current week
ON
Ontario
PR
Prairies
P.H.O.L.
Public Health Ontario Laboratory
QC
Quebec
Terr
Territories of Canada
UHN
University Health Network

Respiratory virus detections

Table 1: Respiratory virus detections for the week ending July 2, 2022 (surveillance week 2022-26)
Reporting Laboratory Flu Tested A(H1)pdm09 Positive A(H3) Positive A(UnS) Positive Total Flu A Positive Total Flu B Positive RSV Tested RSV Positive HPIV Tested HPIV 1 Positive HPIV 2 Positive HPIV 3 Positive HPIV 4 Positive Other HPIV Positive ADV Tested ADV Positive HMPV Tested HMPV Positive EV/RV Tested EV/RV Positive HCoV Tested HCoV Positive
Newfoundland 181 0 0 1 1 0 181 4 181 0 1 0 0 0 181 2 181 2 181 11 181 6
Prince Edward Island 34 0 2 0 2 0 34 0 34 0 0 0 1 0 34 3 34 2 34 9 34 2
Nova Scotia 612 0 0 24 24 0 612 11 25 0 0 0 0 0 25 2 25 4 25 4 25 0
New Brunswick 426 0 5 16 21 0 293 8 64 0 0 3 2 0 64 1 64 1 64 14 64 0
Atlantic 1253 0 7 41 48 0 1120 23 304 0 1 3 3 0 304 8 304 9 304 38 304 8
Région Nord-Est 1350 0 0 6 6 4 291 1 3 0 0 0 0 0 3 0 3 1 N.C. N.C. 3 0
Québec-Chaudière-Appalaches 791 0 0 9 9 3 791 2 24 0 1 1 0 0 232 4 232 0 N.C. N.C. 135 2
Centre-du-Québec 509 0 0 20 20 0 425 5 27 1 0 2 0 0 27 0 27 2 N.C. N.C. 27 0
Montréal-Laval 1653 0 0 37 37 0 982 10 314 2 3 10 1 0 314 18 314 8 N.C. N.C. 356 10
Ouest du Québec 300 0 0 9 9 0 300 0 17 0 0 1 1 0 17 1 17 0 N.C. N.C. 17 1
Montérégie 393 0 0 8 8 0 393 4 0 0 0 0 0 0 0 0 0 0 N.C. N.C. 0 0
Province of Québec 4996 0 0 89 89 7 3182 22 385 3 4 14 2 0 593 23 593 11 N.C. N.C. 538 13
P.H.O.L. - Ottawa 30 0 0 0 0 0 30 0 30 0 0 0 0 1 30 0 30 1 30 1 30 1
EORLA 241 0 0 4 4 0 241 3 29 0 0 5 1 0 29 2 29 0 29 9 29 0
P.H.O.L. - Kingston 38 0 0 0 0 0 38 5 38 0 0 0 0 2 38 1 38 1 38 8 38 0
UHN / Mount Sinai Hospital 437 0 0 0 0 1 437 4 15 0 0 0 0 0 15 0 15 0 15 0 15 1
P.H.O.L. - Toronto 249 0 7 0 2 0 249 3 249 0 0 0 0 10 249 7 249 22 249 42 249 12
Sick Kids Hospital - Toronto N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R.
Sunnybrook & Women's College HSC N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R.
P.H.O.L. - Sault Ste. Marie 4 0 0 0 0 0 4 0 4 0 0 0 0 0 4 0 4 0 4 0 4 0
P.H.O.L. - Timmins 13 0 0 1 1 0 13 0 13 0 0 0 0 3 13 0 13 1 13 0 13 1
St. Joseph's - London 46 0 0 1 1 0 46 1 46 0 0 0 0 1 46 3 46 9 46 2 4 0
P.H.O.L. - London 60 0 2 0 2 0 60 1 60 0 0 0 0 2 60 3 60 13 60 2 60 1
P.H.O.L. - Orillia 22 0 0 0 0 0 22 3 22 0 0 0 0 0 22 1 22 9 22 6 22 0
P.H.O.L. - Thunder Bay 4 0 0 0 0 0 4 0 4 0 0 0 0 0 4 0 4 0 4 1 4 0
P.H.O.L. - Sudbury 10 0 0 0 0 0 10 0 10 0 0 0 0 1 10 0 10 0 10 0 10 2
P.H.O.L. - Hamilton 41 0 0 0 0 0 41 0 41 0 0 0 0 1 41 1 41 2 41 8 41 0
P.H.O.L. - Peterborough 4 0 1 0 1 0 4 0 4 0 0 0 0 1 4 0 4 0 4 0 4 0
St. Joseph's - Hamilton N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R.
Province of Ontario 1199 0 10 6 11 1 1199 20 565 0 0 5 1 22 565 18 565 58 565 79 523 18
Province of Manitoba 372 0 1 0 1 0 372 16 122 0 1 0 2 0 122 4 126 5 122 29 126 1
Province of Saskatchewan 278 0 0 6 6 0 278 5 103 0 0 0 3 0 103 5 103 14 103 19 103 1
Province of Alberta 1804 1 53 5 59 0 1534 28 632 0 13 31 2 0 631 7 632 20 621 108 632 7
Prairies 2454 1 54 11 66 0 2184 49 857 0 14 31 7 0 856 16 861 39 846 156 861 9
British Columbia 2392 0 9 0 51 0 2269 13 547 0 2 6 4 5 547 14 547 43 540 74 540 8
Yukon 2 0 0 0 0 0 2 0 N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C.
Northwest Territories N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R.
Nunavut 51 0 3 0 3 0 51 11 N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C.
Territories 53 0 3 0 3 0 53 11 0 0 0 0 0 0 0 0 0 0 0 0 0 0
CANADA 12347 1 83 147 268 8 10007 138 2658 3 21 59 17 27 2865 79 2870 160 2255 347 2766 56

The data in the RVDSS report represent surveillance data available at the time of writing. Data missing from the current week are denoted by N.R. Data not collected by reporting lab denoted by N.C.

The reporting laboratory previously listed as CHEO - Ottawa is now listed as EORLA to better reflect data submitted by this provider.

Specimens from Yukon (YT) are sent to reference laboratories in British Columbia and reported results reflect specimens identified as originating from YT.

Results from British Columbia comprise of specimens from the following sites: BC Children's and Women's Hospital, Children's and Women's Hospital Laboratory, Fraser Health Medical Microbiology Laboratory, Island Health, Providence Health Care, Powell River Hospital, St. Paul's Hospital, Vancouver General Hospital, Victoria General Hospital, BCCDC Public Health Laboratory, Interior Health Authority sites and Northern Health Authority sites.

Delays in the reporting of data may cause data to change retrospectively.

For British Columbia, only data from subtyped influenza A specimens are included in the weekly number of influenza detections. The sum of A(H1N1)pdm09, A(H3), and A(UnS) positive results may not equal the sum of total Flu A positive results.

Due to different testing protocols of laboratories across Canada, influenza A subtype detection counts may not be included in total influenza A detection counts, as some subtype detections are not available through routine testing but are subsequently reported if further subtype testing is conducted. In these instances, subtype counts do not reflect influenza A detections intended to be captured by routine surveillance, and are excluded from total detections and percent positivity.

Table 2: Cumulative respiratory virus detections from August 29, 2021 to July 2, 2022 (surveillance weeks 2021-35 to 2022-26)
Reporting Laboratory Flu Tested A(H1)pdm09 Positive A(H3) Positive A(UnS) Positive Total Flu A Positive Total Flu B Positive RSV Tested RSV Positive HPIV Tested HPIV 1 Positive HPIV 2 Positive HPIV 3 Positive HPIV 4 Positive Other HPIV Positive ADV Tested ADV Positive HMPV Tested HMPV Positive EV/RV Tested EV/RV Positive HCoV Tested HCoV Positive
Newfoundland 14569 0 0 316 316 0 14567 202 14570 1 25 116 0 314 14577 48 14564 78 14631 2128 351 15
Prince Edward Island 2579 0 47 17 64 0 2579 259 2534 0 0 158 23 1 2579 69 2579 96 2579 599 2579 140
Nova Scotia 23585 0 2 391 393 8 23590 369 1781 0 3 41 29 0 1801 22 1801 46 1801 159 1801 48
New Brunswick 18850 0 106 359 465 0 12044 337 3369 0 4 31 28 0 3362 34 3369 38 3369 119 3278 18
Atlantic 59583 0 155 1083 1238 8 52780 1167 22254 1 32 346 80 315 22319 173 22313 258 22380 3005 8009 221
Région Nord-Est 33289 45 1 2184 2230 24 15120 1462 817 2 0 10 1 0 908 18 421 15 N.C. N.C. 1252 24
Québec-Chaudière-Appalaches 12455 0 0 1423 1423 51 13525 1010 1764 1 16 11 17 0 4459 133 4360 129 N.C. N.C. 2729 110
Centre-du-Québec 13106 0 3 1273 1276 11 11808 1096 1408 4 8 29 3 0 1408 41 1416 27 N.C. N.C. 1401 30
Montréal-Laval 33965 0 5 1543 1548 8 29344 2479 9377 23 83 72 9 0 9376 541 9374 389 N.C. N.C. 9601 243
Ouest du Québec 8273 0 6 646 652 0 8215 940 272 1 8 7 7 0 265 22 261 13 N.C. N.C. 261 6
Montérégie 5620 0 0 308 308 0 4829 393 0 0 0 0 0 0 0 0 0 0 N.C. N.C. 0 0
Province of Québec 106708 45 15 7377 7437 94 82841 7380 13638 31 115 129 37 0 16416 755 15832 573 N.C. N.C. 15244 413
P.H.O.L. - Ottawa 7070 2 81 1 84 0 7070 1442 7070 0 0 0 0 741 7070 313 7068 47 7070 2253 7068 292
EORLA 8215 0 0 172 172 0 8190 652 1215 0 2 26 10 0 1215 23 896 24 1215 194 873 30
P.H.O.L. - Kingston 1567 0 219 0 8 0 1574 140 1573 0 0 0 0 137 1574 27 1555 21 1573 358 1555 99
UHN / Mount Sinai Hospital 20595 0 0 55 55 5 20596 118 683 0 0 0 0 0 683 1 683 2 683 17 683 13
P.H.O.L. - Toronto 11073 2 374 2 123 0 11060 294 11060 0 0 0 0 402 11066 162 11050 172 11060 1249 11051 477
Sick Kids Hospital - Toronto 839 0 0 0 0 0 0 0 839 0 2 68 1 0 839 12 839 1 839 233 839 10
Sunnybrook & Women's College HSC 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
P.H.O.L. - Sault Ste. Marie 355 0 4 1 4 0 354 9 354 0 0 0 0 9 354 3 354 2 354 54 354 23
P.H.O.L. - Timmins 513 0 16 1 10 0 513 28 513 0 0 0 0 22 513 1 512 3 513 40 512 33
St. Joseph's - London 13050 0 0 71 71 0 13053 783 11496 0 0 7 0 96 11496 155 11496 99 11450 636 548 4
P.H.O.L. - London 3996 0 56 10 58 0 3995 467 3995 0 0 0 0 186 3995 95 3992 96 3995 513 3992 297
P.H.O.L. - Orillia 1045 0 8 1 9 0 1045 144 1045 0 0 0 0 67 1045 36 1042 60 1045 261 1042 77
P.H.O.L. - Thunder Bay 359 0 5 0 4 0 359 27 359 0 0 0 0 25 359 1 359 12 359 63 359 37
P.H.O.L. - Sudbury 380 0 6 0 6 0 380 12 380 0 0 0 0 12 380 2 380 7 380 34 380 14
P.H.O.L. - Hamilton 2065 0 24 2 22 0 2060 78 2060 0 0 0 0 69 2061 21 2060 50 2060 275 2060 113
P.H.O.L. - Peterborough 678 0 2 0 2 0 678 49 671 0 0 0 0 15 671 6 668 3 671 111 668 45
St. Joseph's - Hamilton 24329 0 4 237 241 1 24323 1651 24323 5 0 663 0 0 24323 234 24323 263 24323 2098 0 0
Province of Ontario 96129 4 799 553 869 6 95250 5894 67636 5 4 764 11 1781 67644 1092 67277 862 67590 8389 31984 1564
Manitoba 57329 1 85 487 573 0 57329 1408 3525 2 14 77 23 0 3525 59 4937 44 3525 448 4743 95
Province of Saskatchewan 29890 2 476 292 770 0 29855 1747 6014 1 18 210 94 0 6014 119 6014 113 6014 896 6003 313
Province of Alberta 89325 8 1771 837 2616 3 69007 3643 36662 6 155 830 252 0 36654 393 36641 590 36309 4156 36662 1545
Prairies 176544 11 2332 1616 3959 3 156191 6798 46201 9 187 1117 369 0 46193 571 47592 747 45848 5500 47408 1953
British Columbia 204384 7 874 6 1326 88 199566 9373 27743 12 25 1107 316 189 27743 550 27739 535 27208 4168 27226 981
Yukon 5464 1 5 2 14 7 5473 308 N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C.
Northwest Territories 1903 0 204 1 205 0 1863 189 126 0 1 2 0 0 126 3 126 0 1823 198 126 1
Nunavut 16411 0 401 7 408 0 16409 414 N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C.
Territories 23778 1 610 10 627 7 23745 911 177 0 1 6 0 0 177 6 177 0 1874 211 160 1
CANADA 667126 68 4785 10645 15456 206 610373 31523 177649 58 364 3469 813 2285 180492 3147 180930 2975 164900 21273 130031 5133

The data in the RVDSS report represent surveillance data available at the time of writing. Data not collected by reporting lab denoted by N.C.

Note: Included in the cumulative detections this season are 11 co-infections of influenza A and B (total of 22 detections) that are suspected to be associated with recent live attenuated influenza vaccine (LAIV) receipt. Co-infections known or reported to be associated with recent LAIV are removed by the submitting laboratory or by PHAC beginning in week 44 as they do not represent community transmission of seasonal influenza viruses.

The reporting laboratory previously listed as CHEO - Ottawa is now listed as EORLA to better reflect data submitted by this provider.

Specimens from Yukon (YT) are sent to reference laboratories in British Columbia and reported results reflect specimens identified as originating from YT.

The reporting laboratory previously listed as CHEO - Ottawa is now listed as EORLA to better reflect data submitted by this provider.

Results from British Columbia comprise of specimens from the following sites: BC Children's and Women's Hospital, Children's and Women's Hospital Laboratory, Fraser Health Medical Microbiology Laboratory, Island Health, Providence Health Care, Powell River Hospital, St. Paul's Hospital, Vancouver General Hospital, Victoria General Hospital, BCCDC Public Health Laboratory, Interior Health Authority sites and Northern Health Authority sites.

Delays in the reporting of data may cause data to change retrospectively. Due to these delays, the sum of weekly report totals do not add up to cumulative totals.

For British Columbia, only data from subtyped influenza A specimens are included in the weekly number of influenza detections. The sum of A(H1N1)pdm09, A(H3), and A(UnS) positive results may not equal the sum of total Flu A positive results.

Due to different testing protocols of laboratories across Canada, influenza A subtype detection counts may not be included in total influenza A detection counts, as some subtype detections are not available through routine testing but are subsequently reported if further subtype testing is conducted. In these instances, subtype counts do not reflect influenza A detections intended to be captured by routine surveillance, and are excluded from total detections and percent positivity.

Positive respiratory virus tests historical comparison

Figure 1: Positive respiratory virus tests (%) reported by participating laboratories in Canada by surveillance week compared to average and range from 2014-2015 to 2019-2020 season

Figure 1

Shaded area represents the maximum and minimum % of respiratory virus tests positive reported by week from seasons 2014-2015 to 2019-2020

Note: Data from week 11 of the 2019-2020 season onwards are excluded from the historical comparison due to the COVID-19 pandemic

Note: % Tests Positive scale changes across the dashed line

a Human coronavirus excludes human coronaviruses SARS-CoV, MERS-CoV and SARS-CoV-2; Includes seasonal human coronaviruses HCoV-229E, HCoV-OC43, HCoV-NL63, HCoV-HKU1.

Figure 1: Positive respiratory virus tests (%) reported by participating laboratories in Canada by surveillance week compared to average and range from 2014-2015 to 2019-2020 season
Week Week end 2021-2022 A% 2020-2021 A% Max A% Base Min A% Base Av A% Base 2021-2022 B% 2020-2021 B% Max B% Base Min B% Base Av B% Base 2021-2022 RSV% 2020-2021 RSV% Max RSV% Base Min RSV% Base Av RSV% Base 2021-2022 HPIV% 2020-2021 HPIV% Max HPIV% Base Min HPIV% Base Av HPIV% Base 2021-2022 ADV% 2020-2021 ADV% Max ADV% Base Min ADV% Base Av ADV% Base 2021-2022 HMPV% 2020-2021 HMPV% Max HMPV% Base Min HMPV% Base Av HMPV% Base 2021-2022 EV/RV% 2020-2021 EV/RV% Max EV/RV% Base Min EV/RV% Base Av EV/RV% Base 2021-2022 HCoV% 2020-2021 HCoV% Max HCoV% Base Min HCoV% Base Av HCoV% Base
35 2021-09-04 0.04 0.00 1.60 0.11 0.68 0.00 0.02 0.28 0.00 0.13 4.43 0.02 1.34 0.38 0.60 5.99 0.08 3.16 1.15 2.42 1.18 0.27 1.74 0.99 1.43 0.23 0.17 2.04 0.10 0.77 21.96 9.07 27.19 22.44 24.78 1.05 0.06 0.76 0.18 0.45
36 2021-09-11 0.01 0.00 2.11 0.23 0.98 0.00 0.00 0.55 0.00 0.15 6.61 0.04 1.09 0.22 0.57 4.93 0.20 3.31 1.35 2.32 1.15 0.40 2.85 1.42 1.87 0.24 0.06 0.84 0.10 0.48 18.59 8.13 30.69 23.30 26.31 0.62 0.00 0.38 0.12 0.22
37 2021-09-18 0.03 0.00 1.59 0.36 0.87 0.00 0.00 0.19 0.04 0.12 7.59 0.02 1.37 0.31 0.64 5.97 0.13 3.26 1.65 2.40 0.81 0.35 2.44 1.38 1.86 0.17 0.05 1.61 0.00 0.51 27.46 8.07 33.58 27.74 31.68 0.44 0.05 0.56 0.00 0.26
38 2021-09-25 0.00 0.02 2.15 0.43 1.16 0.00 0.00 0.21 0.00 0.14 7.16 0.10 1.24 0.37 0.64 4.73 0.07 2.87 1.92 2.33 0.82 0.58 2.04 1.11 1.63 0.37 0.02 1.43 0.06 0.47 33.19 15.67 39.57 32.80 35.33 0.67 0.00 1.36 0.06 0.43
39 2021-10-02 0.01 0.00 2.65 0.57 1.53 0.00 0.00 0.29 0.09 0.18 8.48 0.05 1.29 0.41 0.68 8.12 0.02 3.01 1.70 2.24 1.14 0.19 2.27 1.04 1.66 0.17 0.04 0.72 0.05 0.28 30.01 24.12 40.59 34.87 37.68 0.62 0.05 0.66 0.07 0.45
40 2021-10-09 0.00 0.00 2.17 1.01 1.58 0.02 0.00 0.20 0.05 0.11 8.53 0.07 1.39 0.34 0.67 8.19 0.02 3.28 1.90 2.43 1.31 0.44 2.25 1.39 1.82 0.16 0.00 0.92 0.05 0.34 26.26 16.62 41.29 33.00 35.43 0.57 0.09 1.08 0.22 0.58
41 2021-10-16 0.03 0.01 2.66 1.05 1.57 0.03 0.00 0.36 0.03 0.16 9.54 0.10 1.74 0.58 0.98 10.46 0.06 3.70 1.94 2.74 1.37 0.37 1.91 1.28 1.70 0.20 0.19 0.95 0.04 0.46 22.91 15.48 33.62 26.94 29.81 1.69 0.02 0.70 0.00 0.33
42 2021-10-23 0.03 0.00 2.96 0.77 1.92 0.02 0.00 0.45 0.05 0.25 8.18 0.07 2.11 0.63 1.14 10.01 0.06 3.89 2.64 3.20 2.54 0.47 2.38 1.47 1.86 0.15 0.06 0.89 0.15 0.38 22.16 13.60 32.62 24.54 27.82 1.07 0.00 1.18 0.20 0.49
43 2021-10-30 0.03 0.01 5.23 0.68 2.60 0.02 0.00 0.55 0.06 0.23 8.11 0.07 2.16 0.55 1.32 9.38 0.07 3.98 3.18 3.56 1.15 0.37 2.42 1.63 1.96 0.36 0.02 1.64 0.12 0.57 19.64 13.14 28.73 21.67 24.95 1.05 0.00 2.35 0.27 0.75
44 2021-11-06 0.10 0.04 8.42 1.08 3.39 0.10 0.03 0.71 0.12 0.31 7.82 0.05 3.35 0.83 1.92 10.28 0.03 4.81 2.94 3.70 1.42 0.22 2.88 1.18 2.20 0.77 0.13 1.08 0.23 0.47 21.45 9.23 23.82 16.75 21.34 2.21 0.00 2.59 0.21 0.88
45 2021-11-13 0.07 0.02 9.83 1.18 4.19 0.06 0.02 0.97 0.22 0.44 7.03 0.04 4.43 1.29 2.59 9.97 0.01 5.42 2.53 4.01 1.63 0.33 2.68 2.02 2.42 0.64 0.01 1.30 0.04 0.77 22.39 9.70 23.08 15.17 20.56 2.57 0.03 2.74 0.52 0.96
46 2021-11-20 0.10 0.03 13.95 1.42 5.47 0.06 0.01 1.49 0.09 0.58 7.18 0.06 6.33 1.38 3.29 8.29 0.04 5.72 1.62 4.19 2.51 0.30 2.90 1.99 2.53 0.99 0.04 1.43 0.18 0.79 21.37 9.02 22.77 15.28 19.27 2.99 0.03 3.32 0.46 1.25
47 2021-11-27 0.13 0.03 15.24 1.25 6.91 0.07 0.04 2.13 0.13 0.80 8.10 0.03 8.69 1.79 4.46 7.04 0.06 7.00 2.36 4.72 1.94 0.32 2.95 1.83 2.35 1.01 0.02 2.02 0.09 0.89 18.54 8.44 20.84 12.15 16.09 3.90 0.04 3.26 0.37 1.25
48 2021-12-04 0.19 0.04 18.07 0.76 9.40 0.15 0.01 3.18 0.08 1.20 8.92 0.02 9.47 3.11 5.72 5.78 0.02 6.14 3.03 4.18 1.89 0.35 3.34 1.66 2.48 1.48 0.02 1.94 0.31 1.08 16.64 7.94 16.72 12.69 13.83 4.94 0.02 4.30 1.00 2.04
49 2021-12-11 0.23 0.03 19.52 1.43 11.41 0.05 0.01 4.21 0.19 1.60 10.09 0.06 12.26 4.87 7.12 3.97 0.00 5.65 2.94 4.19 2.48 0.54 3.03 1.84 2.49 1.22 0.05 2.80 0.49 1.46 14.57 6.21 16.32 10.72 13.07 6.58 0.05 5.19 0.84 2.52
50 2021-12-18 0.23 0.01 26.42 1.97 14.27 0.02 0.01 7.95 0.15 2.55 10.78 0.07 13.19 5.39 7.93 3.23 0.06 5.95 2.54 4.27 2.72 0.51 3.27 1.49 2.45 1.08 0.02 3.32 0.46 1.70 12.40 6.62 13.85 8.43 10.90 7.26 0.11 6.04 1.54 3.16
51 2021-12-25 0.18 0.00 28.53 2.27 16.81 0.02 0.01 10.44 0.19 3.30 8.97 0.07 15.23 6.52 9.27 3.01 0.04 6.71 2.94 3.95 2.54 0.58 3.20 1.36 2.04 1.20 0.04 4.39 0.37 2.44 9.95 5.65 14.18 8.81 10.48 8.11 0.05 6.68 1.87 3.72
52 2022-01-01 0.09 0.00 33.97 3.30 20.41 0.01 0.00 12.73 0.23 4.07 6.72 0.01 17.80 6.83 10.39 2.13 0.03 5.08 2.87 3.75 1.92 0.48 2.59 1.20 1.76 1.00 0.11 3.81 0.41 2.44 7.71 6.53 14.41 6.24 9.23 10.33 0.07 6.73 2.78 4.75
1 2022-01-08 0.08 0.00 30.93 4.58 19.55 0.00 0.00 10.34 0.22 3.86 5.26 0.04 15.62 7.12 10.17 1.84 0.12 5.08 2.68 3.34 1.84 0.81 2.67 0.85 1.54 0.72 0.06 4.45 0.28 2.70 5.71 5.43 11.09 4.36 7.42 9.27 0.12 7.77 3.07 5.16
2 2022-01-15 0.11 0.00 26.80 5.46 19.10 0.01 0.00 11.01 0.29 3.91 4.32 0.07 14.05 6.60 9.63 1.19 0.08 4.12 2.46 3.05 1.13 0.82 2.15 0.87 1.37 0.38 0.03 4.76 0.42 2.66 3.98 5.18 9.55 4.31 6.79 7.46 0.16 7.89 2.84 5.44
3 2022-01-22 0.04 0.01 28.20 9.13 18.94 0.01 0.01 12.75 0.35 4.69 3.42 0.03 15.56 6.72 10.32 0.76 0.05 3.25 2.59 2.82 1.34 0.40 2.10 1.15 1.45 0.24 0.11 5.56 0.47 3.13 3.12 3.56 8.42 4.44 6.01 4.97 0.26 7.90 4.17 6.11
4 2022-01-29 0.05 0.00 27.01 12.34 18.81 0.00 0.00 12.74 0.41 5.15 2.33 0.05 15.88 7.02 11.23 0.64 0.06 3.12 1.77 2.55 1.18 0.46 1.83 1.11 1.49 0.23 0.12 5.19 0.55 3.01 2.60 3.87 9.04 4.89 6.41 3.92 0.16 7.86 3.79 6.08
5 2022-02-05 0.03 0.00 23.66 15.78 19.14 0.01 0.00 14.84 0.41 5.76 2.19 0.04 16.33 7.17 11.49 0.48 0.06 3.48 1.70 2.39 1.57 0.29 1.93 1.36 1.62 0.25 0.16 5.70 0.58 3.29 3.02 4.76 9.79 6.06 6.94 2.83 0.13 8.49 4.55 6.84
6 2022-02-12 0.04 0.02 23.36 15.63 18.79 0.01 0.00 16.23 0.44 6.21 2.10 0.08 15.79 6.52 11.70 0.51 0.10 2.89 1.57 2.19 1.44 0.54 1.74 1.25 1.51 0.42 0.19 5.57 0.65 3.39 3.86 5.08 9.89 6.16 6.98 3.01 0.20 8.57 3.48 6.75
7 2022-02-19 0.02 0.00 24.22 15.48 18.52 0.00 0.00 17.02 0.35 6.54 2.16 0.02 15.53 6.95 11.26 0.44 0.00 3.20 1.42 2.12 1.52 0.49 1.61 1.30 1.51 0.44 0.14 6.05 1.45 3.94 4.46 5.56 8.95 6.00 7.02 3.24 0.13 8.02 4.35 6.54
8 2022-02-26 0.06 0.00 28.62 12.42 18.53 0.02 0.00 16.79 0.45 6.60 2.12 0.05 15.47 6.64 10.63 0.73 0.16 3.21 1.31 2.25 1.85 0.72 2.00 1.38 1.67 0.53 0.04 5.74 1.19 4.08 6.31 4.77 8.35 5.20 6.94 3.67 0.14 8.29 4.21 6.60
9 2022-03-05 0.12 0.00 29.30 11.04 18.35 0.00 0.00 15.45 0.74 6.24 2.50 0.01 15.62 6.54 10.04 0.60 0.07 3.35 1.41 2.44 1.90 0.86 1.92 1.09 1.40 0.40 0.11 6.42 1.87 4.38 7.80 5.48 9.04 5.73 7.75 3.32 0.36 8.01 5.09 6.86
10 2022-03-12 0.16 0.00 29.65 8.51 16.81 0.00 0.00 14.86 0.81 6.41 3.10 0.00 14.97 6.35 9.37 0.68 0.06 4.18 1.19 2.69 1.98 0.38 2.23 1.50 1.78 0.51 0.00 6.74 2.26 4.80 8.24 4.62 10.16 5.55 8.08 3.86 0.34 8.34 4.28 7.01
11 2022-03-19 0.26 0.01 24.27 6.74 14.55 0.01 0.00 13.11 1.05 6.86 3.71 0.03 12.11 6.29 8.83 0.66 0.19 4.58 1.35 3.00 1.88 0.63 2.32 1.23 1.69 0.59 0.11 7.94 2.52 4.71 8.97 4.08 9.45 7.15 8.24 3.25 0.33 8.02 4.35 6.23
12 2022-03-26 0.86 0.00 20.91 5.51 12.67 0.00 0.00 11.53 1.51 7.43 3.79 0.07 10.70 6.46 8.12 1.05 0.00 4.95 1.26 3.34 1.71 0.35 2.13 1.84 1.97 0.77 0.14 6.69 3.65 5.19 9.52 4.61 10.26 8.71 9.66 4.38 0.54 6.99 3.95 5.69
13 2022-04-02 1.52 0.00 18.09 4.67 11.66 0.00 0.00 12.55 1.98 7.90 4.00 0.04 9.32 6.45 7.64 1.39 0.18 5.21 1.48 3.68 2.30 0.35 2.12 1.37 1.70 1.28 0.07 6.90 3.95 5.18 8.49 4.86 12.58 7.69 10.26 4.45 0.30 8.16 3.65 5.46
14 2022-04-09 2.48 0.00 17.83 3.21 9.98 0.01 0.00 13.12 2.12 7.88 4.05 0.08 8.09 5.32 6.44 1.18 0.00 6.26 1.67 4.31 1.74 0.34 2.31 1.50 1.86 1.45 0.04 7.70 4.14 6.00 9.25 5.49 13.59 8.60 12.03 4.24 0.41 7.79 3.84 4.87
15 2022-04-16 3.84 0.01 17.75 2.18 8.72 0.02 0.00 12.22 2.00 7.55 3.46 0.11 7.73 4.64 5.97 1.35 0.12 6.94 1.97 4.61 1.71 0.98 2.62 1.64 2.12 1.52 0.04 7.47 3.81 5.94 9.14 8.23 14.59 9.44 13.16 4.97 1.07 5.52 3.23 4.24
16 2022-04-23 6.98 0.00 13.67 2.13 6.80 0.01 0.00 11.94 2.56 7.68 2.97 0.23 6.64 4.40 5.40 2.19 0.16 7.88 1.97 5.20 1.84 0.82 3.21 1.85 2.32 2.18 0.04 7.16 3.71 5.90 8.20 6.18 16.10 10.84 13.78 4.91 0.69 4.99 3.51 4.32
17 2022-04-30 9.67 0.00 11.31 1.28 5.34 0.01 0.00 12.18 2.94 7.49 2.84 0.21 5.79 3.52 4.58 1.78 0.61 8.67 2.07 6.01 1.37 0.35 2.54 1.70 2.10 2.40 0.04 6.58 4.68 5.64 7.74 7.23 18.29 13.64 16.16 4.91 0.96 4.11 2.54 3.37
18 2022-05-07 11.28 0.00 8.05 0.89 3.95 0.01 0.00 10.20 2.62 6.31 2.34 0.27 4.86 2.78 3.62 2.07 0.08 8.42 3.19 5.85 1.32 0.77 2.89 1.36 2.23 2.55 0.00 6.37 3.14 5.08 7.41 5.63 20.03 12.39 16.31 4.80 0.69 4.00 2.36 3.09
19 2022-05-14 12.58 0.00 8.27 0.90 3.26 0.05 0.00 9.33 2.12 5.72 2.40 0.24 4.61 2.30 3.16 2.71 0.21 9.09 3.67 5.95 1.52 0.98 2.63 1.66 2.07 3.63 0.04 7.46 3.23 4.80 8.36 7.40 21.71 15.70 19.30 4.37 0.86 3.71 1.58 2.36
20 2022-05-21 10.28 0.00 6.42 0.56 2.33 0.07 0.01 7.59 1.12 4.89 2.52 0.18 4.46 1.59 2.66 3.29 0.05 8.60 3.90 6.75 1.68 0.71 3.35 1.79 2.44 4.79 0.14 6.85 2.55 4.99 9.06 8.13 24.52 16.67 19.75 4.53 0.75 3.31 1.87 2.49
21 2022-05-28 9.73 0.01 4.40 0.12 1.67 0.04 0.00 5.43 0.91 3.93 2.25 0.25 4.10 1.23 2.13 3.47 0.25 9.56 6.00 7.27 1.95 1.05 3.51 1.41 2.39 5.69 0.10 6.80 3.22 4.63 10.26 6.36 25.86 16.41 21.07 3.64 1.17 2.37 1.10 1.74
22 2022-06-04 8.38 0.00 2.98 0.29 1.35 0.06 0.00 3.51 0.53 2.51 2.40 0.26 3.72 0.86 1.71 3.32 0.35 8.71 5.94 6.99 1.56 0.82 3.45 1.91 2.79 5.22 0.11 5.39 2.43 3.84 9.14 4.59 23.76 17.55 20.50 3.78 0.69 2.06 0.56 1.23
23 2022-06-11 6.88 0.00 2.55 0.56 1.07 0.13 0.00 2.78 0.32 1.79 2.10 0.18 3.38 0.77 1.56 4.59 0.17 9.74 5.14 6.94 2.26 0.71 2.72 1.69 2.18 5.35 0.06 4.49 2.25 3.18 13.26 6.14 23.65 18.15 21.01 2.93 0.74 1.86 0.47 1.08
24 2022-06-18 4.95 0.02 2.82 0.30 0.93 0.06 0.00 2.11 0.27 1.32 1.95 0.32 3.22 0.50 1.37 4.70 1.52 8.25 5.76 7.01 2.36 1.43 3.80 1.96 2.89 6.29 0.12 3.48 1.85 2.67 14.36 8.01 26.76 20.72 23.68 3.09 0.62 1.54 0.88 1.19
25 2022-06-25 2.95 0.00 2.78 0.32 0.97 0.08 0.00 1.35 0.32 0.91 1.82 0.31 2.91 0.42 1.05 5.58 2.36 7.61 4.34 6.13 1.91 1.49 3.30 1.80 2.63 6.96 0.00 4.18 0.89 2.01 16.62 8.12 26.73 20.65 23.03 3.60 0.49 1.55 0.66 1.09
26 2022-07-02 2.17 0.00 2.04 0.48 1.08 0.06 0.00 1.08 0.21 0.73 1.38 0.27 2.06 0.26 0.79 4.78 2.54 8.72 4.97 6.42 2.76 1.16 3.49 1.55 2.43 5.57 0.12 4.28 0.60 2.05 15.39 9.31 30.25 22.65 25.25 2.02 0.53 1.77 0.36 0.76

Number of positive respiratory virus tests

Figure 2: Number of positive respiratory virus tests reported by participating laboratories in Canada by surveillance week
Figure 2
Figure 2: Number of positive respiratory virus tests reported by participating laboratories in Canada by surveillance week
Week ParaInfluenza Adenovirus Human metapneumovirus Enterovirus/Rhinovirus Coronavirus Respiratory syncytial virus Influenza
35 158 31 6 557 21 286 3
36 142 33 7 510 14 478 1
37 207 28 6 916 11 628 3
38 179 31 14 1,180 17 649 0
39 329 46 7 1,147 17 771 1
40 313 50 6 920 17 867 2
41 374 49 7 743 48 932 6
42 402 102 6 787 36 941 6
43 391 48 15 729 35 1,033 7
44 405 56 30 777 67 1,134 32
45 447 73 29 932 89 1,144 22
46 366 111 44 869 104 1,075 26
47 337 91 48 795 152 1,236 33
48 275 91 72 736 187 1,526 63
49 219 139 69 758 252 1,849 54
50 189 163 64 684 277 2,268 56
51 165 139 66 508 254 2,414 58
52 109 99 52 374 331 1,906 29
1 93 95 37 280 312 1,378 25
2 62 54 18 178 251 926 28
3 34 60 11 133 154 625 9
4 28 53 10 109 126 355 8
5 19 62 10 115 78 325 6
6 18 51 15 128 70 275 6
7 14 48 14 134 66 266 2
8 22 56 16 179 72 241 9
9 19 61 13 233 71 264 14
10 21 62 16 240 83 305 17
11 20 57 18 252 67 346 27
12 34 56 26 289 104 367 93
13 48 80 45 274 110 420 179
14 43 64 54 310 116 446 314
15 52 67 60 315 153 415 511
16 84 72 86 293 155 414 1,079
17 92 74 131 357 186 459 1,738
18 123 82 159 396 184 390 2,092
19 115 69 165 345 145 370 2,223
20 141 76 218 374 144 367 1,705
21 157 93 272 447 105 313 1,567
22 147 73 244 396 108 322 1,323
23 160 84 199 413 87 254 996
24 142 77 205 379 91 215 630
25 167 62 225 435 110 190 383
26 127 79 160 347 56 138 276

Positive influenza (Flu) tests

Figure 3: Positive influenza (Flu) tests (%) in Canada by region by surveillance week
Figure 3
Figure 3: Positive influenza (Flu) tests (%) in Canada by region by surveillance week
Week Week end Can Tests Can A% Can B% Atl Tests Atl A% Atl B% QC Tests QC A% QC B% ON Tests ON A% ON B% Pr Tests Pr A% Pr B% BC Tests BC A% BC B% Terr Tests Terr A% Terr B%
35 2021-09-04 7061 0.04 0.00 625 0.00 0.00 848 0.12 0.00 1305 0.00 0.00 2770 0.04 0.00 1025 0.10 0.00 488 0.00 0.00
36 2021-09-11 7939 0.01 0.00 675 0.00 0.00 1369 0.00 0.00 1224 0.08 0.00 3229 0.00 0.00 930 0.00 0.00 512 0.00 0.00
37 2021-09-18 9256 0.03 0.00 1009 0.00 0.00 1718 0.00 0.00 1543 0.06 0.00 3390 0.06 0.00 985 0.00 0.00 611 0.00 0.00
38 2021-09-25 9725 0.00 0.00 1141 0.00 0.00 1502 0.00 0.00 1647 0.00 0.00 3536 0.00 0.00 1192 0.00 0.00 707 0.00 0.00
39 2021-10-02 9608 0.01 0.00 1052 0.00 0.00 1089 0.00 0.00 1954 0.00 0.00 3415 0.03 0.00 1611 0.00 0.00 487 0.00 0.00
40 2021-10-09 10699 0.00 0.02 799 0.00 0.00 1641 0.00 0.12 2059 0.00 0.00 3793 0.00 0.00 1823 0.00 0.00 584 0.00 0.00
41 2021-10-16 10290 0.03 0.03 614 0.00 0.00 1704 0.00 0.18 1950 0.05 0.00 3540 0.03 0.00 1904 0.05 0.00 578 0.00 0.00
42 2021-10-23 12383 0.03 0.02 634 0.00 0.00 2050 0.00 0.00 2269 0.04 0.00 4435 0.00 0.00 2440 0.08 0.04 555 0.18 0.18
43 2021-10-30 13261 0.03 0.02 1086 0.00 0.00 2119 0.05 0.00 2143 0.00 0.00 4565 0.04 0.00 2920 0.00 0.07 428 0.23 0.23
44 2021-11-06 15353 0.10 0.10 577 0.00 0.00 2323 0.00 0.00 2473 0.04 0.00 4923 0.00 0.00 4625 0.30 0.28 432 0.23 0.69
45 2021-11-13 17330 0.07 0.06 1195 0.00 0.00 2441 0.04 0.00 2835 0.04 0.00 5062 0.06 0.00 5054 0.14 0.18 743 0.00 0.13
46 2021-11-20 16221 0.10 0.06 1826 0.00 0.00 2261 0.00 0.04 2619 0.19 0.00 4733 0.04 0.00 4339 0.21 0.18 443 0.23 0.00
47 2021-11-27 16701 0.13 0.07 2042 0.05 0.05 2584 0.12 0.04 2979 0.10 0.00 4626 0.00 0.00 4200 0.33 0.24 270 0.00 0.00
48 2021-12-04 18356 0.19 0.15 3195 0.13 0.09 2471 0.08 0.04 3068 0.16 0.00 4556 0.04 0.00 4846 0.45 0.50 220 0.00 0.00
49 2021-12-11 19816 0.23 0.05 3417 0.09 0.00 2880 0.31 0.14 3420 0.23 0.00 4620 0.24 0.00 5172 0.27 0.10 307 0.00 0.00
50 2021-12-18 22397 0.23 0.02 1860 0.27 0.00 2759 0.14 0.00 3883 0.21 0.00 4732 0.11 0.02 8638 0.35 0.03 525 0.00 0.00
51 2021-12-25 28377 0.18 0.02 1238 0.00 0.00 3049 0.59 0.07 4030 0.07 0.00 5230 0.15 0.00 14257 0.16 0.02 573 0.00 0.17
52 2022-01-01 29528 0.09 0.01 1378 0.29 0.00 2560 0.00 0.00 3665 0.14 0.00 6257 0.13 0.02 13696 0.07 0.01 1972 0.00 0.00
1 2022-01-08 28332 0.08 0.00 967 0.00 0.00 2249 0.18 0.00 3668 0.03 0.00 7645 0.17 0.00 11791 0.05 0.01 2012 0.00 0.00
2 2022-01-15 23595 0.11 0.01 1045 0.19 0.00 1400 0.21 0.00 2903 0.03 0.00 6752 0.16 0.00 9996 0.08 0.03 1499 0.00 0.00
3 2022-01-22 19510 0.04 0.01 1195 0.00 0.00 1223 0.16 0.00 2591 0.00 0.08 5562 0.07 0.00 8275 0.01 0.00 664 0.00 0.00
4 2022-01-29 16409 0.05 0.00 1099 0.00 0.00 1136 0.26 0.00 2367 0.00 0.00 4563 0.07 0.00 6638 0.03 0.00 606 0.00 0.00
5 2022-02-05 15927 0.03 0.01 1058 0.00 0.00 844 0.12 0.00 2126 0.00 0.05 3954 0.10 0.00 6671 0.00 0.00 1274 0.00 0.00
6 2022-02-12 13843 0.04 0.01 1069 0.00 0.00 985 0.10 0.00 1981 0.00 0.00 2995 0.03 0.00 5917 0.05 0.02 896 0.00 0.00
7 2022-02-19 13103 0.02 0.00 1094 0.00 0.00 832 0.00 0.00 1941 0.05 0.00 2721 0.04 0.00 5451 0.00 0.00 1064 0.00 0.00
8 2022-02-26 12142 0.06 0.02 1177 0.00 0.00 875 0.34 0.11 1736 0.17 0.00 2419 0.04 0.00 5256 0.00 0.02 679 0.00 0.00
9 2022-03-05 11235 0.12 0.00 1090 0.00 0.00 911 0.00 0.00 1843 0.11 0.00 2603 0.38 0.00 4242 0.05 0.00 546 0.00 0.00
10 2022-03-12 10704 0.16 0.00 1108 0.00 0.00 1040 0.29 0.00 1763 0.06 0.00 2556 0.35 0.00 3713 0.11 0.00 524 0.00 0.00
11 2022-03-19 10168 0.26 0.01 1097 0.00 0.00 902 0.44 0.00 1652 0.24 0.00 2581 0.54 0.00 3617 0.11 0.03 319 0.00 0.00
12 2022-03-26 10754 0.86 0.00 1247 0.08 0.00 1186 0.93 0.00 1766 0.28 0.00 2685 1.94 0.00 3491 0.66 0.00 379 0.26 0.00
13 2022-04-02 11757 1.52 0.00 1324 0.30 0.00 1484 3.44 0.00 1894 1.11 0.00 3216 2.46 0.00 3668 0.63 0.00 171 0.58 0.00
14 2022-04-09 12637 2.48 0.01 1272 0.63 0.08 1644 6.93 0.00 1874 1.17 0.00 4065 3.17 0.00 3620 0.91 0.00 162 4.32 0.00
15 2022-04-16 13239 3.84 0.02 1093 1.65 0.00 1896 11.45 0.05 1905 2.10 0.05 4089 4.23 0.00 4116 1.09 0.00 140 11.43 0.00
16 2022-04-23 15435 6.98 0.01 1429 1.89 0.00 3060 19.61 0.03 1859 1.83 0.00 4531 6.51 0.00 4348 1.86 0.02 208 19.23 0.00
17 2022-04-30 17960 9.67 0.01 1738 5.01 0.06 4691 20.49 0.02 2162 4.12 0.00 4721 9.28 0.00 4427 2.58 0.00 221 21.27 0.00
18 2022-05-07 18525 11.28 0.01 2674 5.31 0.00 4751 26.56 0.04 2183 3.39 0.00 4475 10.30 0.00 4182 2.18 0.00 260 23.08 0.00
19 2022-05-14 17606 12.58 0.05 1509 7.09 0.13 5434 24.22 0.11 2065 6.44 0.00 4435 10.46 0.00 3886 2.44 0.00 277 36.10 0.00
20 2022-05-21 16463 10.28 0.07 1528 7.53 0.00 4707 17.08 0.25 2117 5.67 0.00 4105 11.52 0.00 3699 2.87 0.00 307 24.43 0.00
21 2022-05-28 16036 9.73 0.04 2019 6.24 0.00 4551 15.36 0.11 1986 4.98 0.00 3762 11.43 0.03 3500 3.34 0.00 218 41.28 0.00
22 2022-06-04 15683 8.38 0.06 2143 7.00 0.00 4607 11.87 0.20 1876 4.48 0.00 3489 9.26 0.00 3274 3.88 0.00 294 28.23 0.00
23 2022-06-11 14192 6.88 0.13 1615 8.98 0.00 4924 7.35 0.37 1183 3.55 0.08 3248 7.85 0.00 2979 3.83 0.00 243 24.28 0.00
24 2022-06-18 12567 4.95 0.06 1178 14.09 0.00 4333 4.87 0.16 1162 1.98 0.00 2904 4.27 0.00 2805 2.42 0.04 185 16.22 0.00
25 2022-06-25 12656 2.95 0.08 1199 6.26 0.00 4679 2.78 0.21 1261 1.27 0.00 2602 3.07 0.00 2773 2.20 0.00 142 7.75 0.00
26 2022-07-02 12347 2.17 0.06 1253 3.83 0.00 4996 1.78 0.14 1199 0.92 0.08 2454 2.69 0.00 2392 2.13 0.00 53 5.66 0.00

Positive respiratory syncytial virus (RSV) tests

Figure 4: Positive respiratory syncytial virus (RSV) tests (%) in Canada by region by surveillance week
Figure 4
Figure 4: Positive respiratory syncytial virus (RSV) tests (%) in Canada by region by surveillance week
Week Week end Can Tests RSV% Atl Tests RSV% QC Tests RSV% ON Tests RSV% Pr Tests RSV% BC Tests RSV% Terr Tests RSV%
35 2021-09-04 6453 4.43 613 0.00 693 37.95 1277 1.49 2358 0.04 1025 0.29 487 0.00
36 2021-09-11 7236 6.61 671 0.60 1069 39.85 1187 3.12 2798 0.14 930 0.54 581 0.34
37 2021-09-18 8272 7.59 997 0.40 1310 40.76 1499 5.07 2872 0.24 985 0.71 609 0.00
38 2021-09-25 9062 7.16 1135 0.00 1356 41.67 1612 3.97 3061 0.26 1192 1.01 706 0.00
39 2021-10-02 9089 8.48 1052 0.10 1104 53.53 1913 7.42 2923 0.44 1611 1.49 486 0.00
40 2021-10-09 10159 8.53 792 0.38 1583 39.36 2015 9.43 3364 0.65 1823 1.59 582 0.00
41 2021-10-16 9769 9.54 608 0.16 1676 42.78 1867 8.36 3136 0.61 1904 2.00 578 0.17
42 2021-10-23 11503 8.18 581 0.17 1845 33.88 2199 9.55 3884 0.85 2440 2.95 554 0.00
43 2021-10-30 12735 8.11 965 0.10 2121 31.02 2105 9.88 4197 0.88 2920 4.35 427 0.47
44 2021-11-06 14502 7.82 564 1.24 2048 26.46 2421 10.45 4429 1.45 4612 5.77 428 0.47
45 2021-11-13 16275 7.03 837 0.84 2239 18.49 2767 9.97 4670 1.50 5024 7.48 738 0.14
46 2021-11-20 14979 7.18 1259 2.54 2064 12.74 2556 13.38 4345 1.91 4312 8.23 443 0.00
47 2021-11-27 15251 8.10 1607 2.68 2132 11.16 2907 13.62 4177 3.26 4160 10.17 268 0.00
48 2021-12-04 17099 8.92 2884 2.67 2164 8.27 3002 14.69 4026 3.80 4806 13.82 217 5.53
49 2021-12-11 18329 10.09 2979 3.63 2519 6.95 3354 19.11 4038 5.08 5134 13.63 305 6.56
50 2021-12-18 21031 10.78 1442 8.18 2354 5.61 3813 15.53 4286 6.07 8611 13.10 525 7.24
51 2021-12-25 26919 8.97 947 6.65 2467 4.82 4029 13.73 4650 7.91 14257 8.86 569 8.44
52 2022-01-01 28354 6.72 1378 4.43 1916 3.60 3664 10.15 5542 7.89 13884 6.64 1970 2.28
1 2022-01-08 26181 5.26 983 6.61 1708 2.93 3668 5.97 6387 5.10 11428 5.90 2007 2.19
2 2022-01-15 21431 4.32 824 6.67 1142 2.10 2903 4.79 5758 4.10 9306 4.82 1498 1.54
3 2022-01-22 18270 3.42 1187 3.54 947 1.37 2591 3.24 5028 3.30 7814 3.90 703 2.13
4 2022-01-29 15236 2.33 935 3.32 827 1.21 2367 1.61 4146 3.30 6356 2.03 605 1.65
5 2022-02-05 14854 2.19 859 1.51 667 1.05 2124 1.65 3573 3.16 6395 2.17 1236 1.46
6 2022-02-12 13108 2.10 998 1.70 749 1.47 1980 0.91 2701 4.44 5784 1.64 896 1.56
7 2022-02-19 12301 2.16 997 1.60 539 0.74 1940 0.98 2449 5.39 5366 1.60 1010 0.89
8 2022-02-26 11383 2.12 1018 1.57 581 0.34 1735 1.21 2164 5.04 5206 1.67 679 0.88
9 2022-03-05 10559 2.50 982 1.83 734 0.95 1843 1.03 2339 5.81 4115 1.92 546 0.92
10 2022-03-12 9854 3.10 914 1.86 720 0.42 1763 1.08 2324 8.09 3609 1.94 524 1.53
11 2022-03-19 9332 3.71 894 2.80 708 0.85 1652 1.27 2280 9.12 3479 2.07 319 4.39
12 2022-03-26 9678 3.79 1027 1.27 828 0.36 1765 0.96 2336 10.96 3343 1.76 379 5.01
13 2022-04-02 10506 4.00 1114 0.81 1012 0.10 1894 0.63 2870 10.77 3448 1.97 168 12.50
14 2022-04-09 11013 4.05 890 1.01 1105 0.18 1873 0.64 3569 9.47 3416 1.90 160 12.50
15 2022-04-16 12005 3.46 1063 1.98 1430 0.21 1908 1.21 3506 8.81 3960 1.21 138 7.97
16 2022-04-23 13952 2.97 1336 1.27 2447 0.12 1864 0.43 4000 7.65 4098 1.49 207 9.18
17 2022-04-30 16143 2.84 1657 1.33 3738 0.27 2162 1.43 4142 7.56 4223 1.47 221 9.50
18 2022-05-07 16651 2.34 2374 0.97 3807 0.13 2183 0.78 3988 6.42 4039 1.36 260 13.08
19 2022-05-14 15413 2.40 1438 1.32 3959 0.13 2065 0.77 3932 5.44 3743 1.66 276 19.57
20 2022-05-21 14561 2.52 1419 1.69 3481 0.14 2117 1.13 3539 4.92 3699 1.62 306 26.14
21 2022-05-28 13922 2.25 1836 1.31 3205 0.16 1985 1.21 3332 3.78 3346 1.52 218 38.07
22 2022-06-04 13431 2.40 1995 2.01 3026 0.20 1876 1.76 3063 4.44 3177 1.48 294 20.41
23 2022-06-11 12076 2.10 1507 1.86 3360 0.27 1183 1.61 2888 3.19 2896 1.66 242 23.97
24 2022-06-18 11042 1.95 1038 2.12 3298 0.24 1163 1.63 2633 3.23 2725 1.43 185 22.70
25 2022-06-25 10447 1.82 1064 2.54 2981 0.77 1260 1.51 2304 1.91 2696 1.34 142 28.87
26 2022-07-02 10007 1.38 1120 2.05 3182 0.69 1199 1.67 2184 2.24 2269 0.57 53 20.75

Positive human parainfluenza virus (HPIV) tests

Figure 5: Positive human parainfluenza virus (HPIV) tests (%) in Canada by region by surveillance week
Figure 5
Figure 5: Positive human parainfluenza virus (HPIV) tests (%) in Canada by region by surveillance week
Week Week End Can Tests HPIV% Atl Tests HPIV% QC Tests HPIV% ON Tests HPIV% Pr Tests HPIV% BC Tests HPIV%
35 2021-09-04 2638 5.99 580 1.38 138 5.07 857 14.47 740 1.89 315 1.59
36 2021-09-11 2882 4.93 653 2.91 149 4.03 805 11.55 953 1.57 317 2.84
37 2021-09-18 3467 5.97 978 3.89 139 0.72 1100 10.73 858 3.03 386 6.22
38 2021-09-25 3783 4.73 1083 3.69 222 0.45 1113 8.18 857 2.33 506 5.34
39 2021-10-02 4051 8.12 1070 4.86 232 1.72 1461 13.07 766 5.87 517 7.16
40 2021-10-09 3822 8.19 721 6.38 314 1.27 1542 12.39 717 5.58 524 6.11
41 2021-10-16 3574 10.46 543 6.45 335 0.90 1461 13.76 725 7.31 510 16.08
42 2021-10-23 4016 10.01 628 5.41 454 0.44 1631 11.77 768 8.20 531 20.90
43 2021-10-30 4170 9.38 822 2.92 414 0.97 1541 11.29 778 8.10 608 20.72
44 2021-11-06 3941 10.28 415 10.84 293 0.34 1690 10.00 834 8.27 708 17.09
45 2021-11-13 4484 9.97 708 6.78 317 0.95 1772 8.47 865 9.71 819 19.78
46 2021-11-20 4413 8.29 597 4.02 349 0.57 1735 6.80 975 9.33 756 17.33
47 2021-11-27 4786 7.04 575 4.35 475 0.84 1968 5.95 1057 7.85 709 15.23
48 2021-12-04 4761 5.78 668 3.29 355 1.13 2055 3.94 953 7.66 723 13.14
49 2021-12-11 5520 3.97 684 1.02 317 0.63 2722 2.94 1063 7.34 733 7.09
50 2021-12-18 5852 3.23 677 2.51 356 1.69 3058 1.60 1020 6.18 741 7.29
51 2021-12-25 5476 3.01 311 0.64 383 3.39 3031 1.55 997 6.12 751 5.59
52 2022-01-01 5124 2.13 132 1.52 287 0.35 2746 0.87 1198 3.92 760 4.61
1 2022-01-08 5049 1.84 59 1.69 228 1.32 2757 0.62 1439 2.64 558 5.91
2 2022-01-15 5216 1.19 66 3.03 776 0.26 2166 0.32 1609 1.55 597 4.36
3 2022-01-22 4459 0.76 202 0.50 196 1.02 1892 0.26 1414 1.27 753 1.06
4 2022-01-29 4392 0.64 144 1.39 208 0.48 1846 0.27 1426 0.84 766 1.04
5 2022-02-05 3959 0.48 193 1.04 169 0.00 1623 0.12 1255 0.32 715 1.54
6 2022-02-12 3514 0.51 188 0.53 214 0.00 1486 0.20 972 0.51 651 1.38
7 2022-02-19 3164 0.44 233 0.00 166 0.60 1397 0.29 807 0.74 557 0.54
8 2022-02-26 3003 0.73 253 0.00 175 1.14 1262 0.16 732 1.09 579 1.73
9 2022-03-05 3181 0.60 206 0.49 190 1.05 1349 0.15 909 0.66 523 1.53
10 2022-03-12 3105 0.68 243 0.00 195 2.05 1266 0.16 864 0.58 531 1.69
11 2022-03-19 3039 0.66 245 0.82 245 0.41 1187 0.25 902 1.00 460 1.09
12 2022-03-26 3251 1.05 205 1.46 258 1.16 1288 0.78 914 0.55 580 2.24
13 2022-04-02 3445 1.39 227 1.32 251 3.59 1363 0.37 1025 1.27 577 3.12
14 2022-04-09 3648 1.18 196 1.53 332 3.01 1286 0.31 1284 1.64 544 0.92
15 2022-04-16 3855 1.35 206 1.46 419 3.10 1229 0.49 1306 1.99 694 0.58
16 2022-04-23 3829 2.19 277 0.36 273 6.59 1244 1.05 1370 2.48 660 2.58
17 2022-04-30 5180 1.78 849 2.36 630 1.27 1499 1.00 1429 2.17 769 2.34
18 2022-05-07 5951 2.07 1584 3.35 708 2.12 1401 0.71 1465 2.25 788 1.52
19 2022-05-14 4251 2.71 470 3.40 237 4.64 1412 1.13 1421 3.10 706 3.97
20 2022-05-21 4280 3.29 584 3.42 251 5.98 1460 2.53 1198 3.51 779 3.47
21 2022-05-28 4525 3.47 1090 4.86 191 6.81 1334 2.02 1122 3.12 775 3.48
22 2022-06-04 4432 3.32 1138 3.69 204 2.94 1230 2.60 1126 4.09 724 2.76
23 2022-06-11 3489 4.59 696 4.17 406 5.17 595 5.04 1132 5.21 651 3.23
24 2022-06-18 3023 4.70 267 3.37 406 6.65 589 6.45 1067 4.40 690 2.90
25 2022-06-25 2991 5.58 284 4.23 396 8.59 622 5.14 1032 6.78 653 2.91
26 2022-07-02 2658 4.78 304 2.30 385 5.97 565 4.96 857 6.07 547 3.11

Positive adenovirus (ADV) tests

Figure 6: Positive adenovirus (ADV) tests (%) in Canada by region by surveillance week
Figure 6
Figure 6: Positive adenovirus (ADV) tests (%) in Canada by region by surveillance week
Week Week End Can Tests ADV% Atl Tests ADV% QC Tests ADV% ON Tests ADV% Pr Tests ADV% BC Tests ADV%
35 2021-09-04 2630 1.18 573 1.05 137 4.38 857 1.52 740 0.54 315 0.32
36 2021-09-11 2880 1.15 653 0.61 147 4.76 805 1.61 953 0.63 317 0.95
37 2021-09-18 3469 0.81 980 0.51 138 0.00 1101 1.45 858 0.23 386 1.04
38 2021-09-25 3780 0.82 1083 0.46 219 2.28 1113 0.54 857 0.47 506 2.17
39 2021-10-02 4052 1.14 1071 0.28 232 3.45 1461 1.37 766 1.17 517 1.16
40 2021-10-09 3821 1.31 721 0.14 314 1.91 1542 1.95 716 1.68 524 0.19
41 2021-10-16 3574 1.37 543 0.18 335 5.07 1461 1.57 725 0.97 510 0.20
42 2021-10-23 4017 2.54 628 0.00 455 11.87 1631 2.33 768 0.91 531 0.56
43 2021-10-30 4187 1.15 836 0.12 417 3.12 1541 1.56 778 1.03 608 0.33
44 2021-11-06 3941 1.42 415 0.96 293 1.02 1690 1.60 834 1.44 708 1.41
45 2021-11-13 4481 1.63 705 0.71 317 6.62 1772 1.47 865 1.16 819 1.22
46 2021-11-20 4421 2.51 598 0.50 356 7.30 1735 2.25 975 2.05 756 3.04
47 2021-11-27 4692 1.94 576 0.69 380 3.68 1968 2.69 1057 0.76 709 1.69
48 2021-12-04 4809 1.89 668 0.75 403 4.71 2055 1.95 953 1.47 723 1.80
49 2021-12-11 5614 2.48 684 0.88 411 4.87 2722 3.23 1063 1.03 733 1.91
50 2021-12-18 5998 2.72 677 0.74 503 6.56 3058 2.88 1019 1.67 741 2.70
51 2021-12-25 5474 2.54 314 1.59 378 7.41 3031 2.18 997 1.20 751 3.73
52 2022-01-01 5163 1.92 133 3.76 324 5.56 2747 1.49 1198 1.25 760 2.63
1 2022-01-08 5163 1.84 105 3.81 296 7.43 2757 1.38 1439 0.83 558 3.41
2 2022-01-15 4760 1.13 66 1.52 320 2.19 2167 0.51 1608 1.24 597 2.51
3 2022-01-22 4494 1.34 200 0.50 234 5.98 1892 1.16 1413 0.71 753 1.73
4 2022-01-29 4497 1.18 144 0.69 313 3.19 1846 1.14 1426 0.56 766 1.70
5 2022-02-05 3959 1.57 193 3.63 169 6.51 1623 1.42 1255 0.72 715 1.68
6 2022-02-12 3539 1.44 188 1.60 239 5.02 1486 1.14 972 0.62 651 2.00
7 2022-02-19 3164 1.52 233 2.58 166 7.83 1397 0.72 807 0.99 557 1.97
8 2022-02-26 3035 1.85 254 1.97 205 8.29 1263 0.87 732 1.78 579 1.73
9 2022-03-05 3207 1.90 207 1.93 215 7.44 1349 1.26 909 1.10 523 2.68
10 2022-03-12 3139 1.98 243 0.41 229 7.86 1266 1.11 864 1.74 531 2.64
11 2022-03-19 3039 1.88 245 1.63 245 4.90 1187 0.84 902 2.33 460 2.17
12 2022-03-26 3283 1.71 205 0.49 290 3.45 1288 1.40 914 1.97 580 1.55
13 2022-04-02 3485 2.30 227 0.44 291 8.93 1363 1.10 1025 1.95 577 3.12
14 2022-04-09 3688 1.74 196 1.53 372 4.84 1286 1.24 1284 1.17 544 2.21
15 2022-04-16 3918 1.71 206 2.43 483 2.48 1229 1.30 1305 1.38 694 2.31
16 2022-04-23 3918 1.84 277 1.08 364 4.95 1244 1.21 1368 1.39 660 2.58
17 2022-04-30 5402 1.37 848 0.59 852 2.82 1499 0.80 1430 1.26 769 1.82
18 2022-05-07 6211 1.32 1585 0.25 967 2.79 1401 1.36 1465 1.16 788 1.90
19 2022-05-14 4527 1.52 470 1.70 514 2.33 1412 1.42 1420 0.85 706 2.41
20 2022-05-21 4528 1.68 584 0.51 498 4.62 1461 1.10 1198 1.09 779 2.57
21 2022-05-28 4775 1.95 1090 0.37 440 5.23 1335 1.65 1122 2.14 775 2.58
22 2022-06-04 4680 1.56 1144 0.61 446 2.47 1230 1.87 1126 1.69 724 1.66
23 2022-06-11 3716 2.26 696 1.15 632 5.06 597 2.35 1131 1.77 651 1.54
24 2022-06-18 3259 2.36 267 1.87 641 3.74 589 2.04 1068 1.50 690 2.90
25 2022-06-25 3238 1.91 284 1.06 643 3.42 622 1.77 1032 1.55 653 1.53
26 2022-07-02 2865 2.76 304 2.63 593 3.88 565 3.19 856 1.87 547 2.56

Positive human metapneumovirus (HMPV) tests

Figure 7: Positive human metapneumovirus (HMPV) tests (%) in Canada by region by surveillance week
Figure 7
Figure 7: Positive human metapneumovirus (HMPV) tests (%) in Canada by region by surveillance week
Week Week End Can Tests HMPV% Atl Tests HMPV% QC Tests HMPV% ON Tests HMPV% Pr Tests HMPV% BC Tests HMPV%
35 2021-09-04 2666 0.23 580 0.00 138 2.17 832 0.36 793 0.00 315 0.00
36 2021-09-11 2933 0.24 653 0.00 149 0.67 796 0.50 1013 0.20 317 0.00
37 2021-09-18 3488 0.17 978 0.00 138 1.45 1073 0.19 907 0.11 386 0.26
38 2021-09-25 3810 0.37 1083 0.00 219 1.83 1086 0.74 914 0.00 506 0.40
39 2021-10-02 4058 0.17 1070 0.00 232 0.86 1428 0.21 810 0.00 513 0.39
40 2021-10-09 3768 0.16 721 0.00 238 1.26 1503 0.20 778 0.00 524 0.00
41 2021-10-16 3495 0.20 543 0.18 229 0.87 1436 0.07 777 0.00 510 0.59
42 2021-10-23 3876 0.15 628 0.00 276 0.36 1611 0.12 826 0.00 531 0.56
43 2021-10-30 4115 0.36 836 0.00 313 3.51 1510 0.13 841 0.24 608 0.00
44 2021-11-06 3902 0.77 415 0.00 210 6.19 1663 0.24 905 0.33 708 1.41
45 2021-11-13 4538 0.64 705 0.14 325 4.92 1742 0.17 944 0.21 819 0.85
46 2021-11-20 4435 0.99 597 0.17 349 8.02 1704 0.35 1028 0.49 756 0.53
47 2021-11-27 4738 1.01 575 0.52 380 8.68 1968 0.46 1104 0.00 709 0.42
48 2021-12-04 4868 1.48 668 0.45 403 12.90 2055 0.44 1012 0.30 723 0.69
49 2021-12-11 5658 1.22 684 0.88 411 9.98 2721 0.55 1108 0.54 733 0.14
50 2021-12-18 5920 1.08 677 0.30 397 11.08 3057 0.46 1048 0.38 741 0.00
51 2021-12-25 5508 1.20 311 2.89 378 12.17 3031 0.13 1034 0.29 751 0.53
52 2022-01-01 5190 1.00 132 1.52 321 10.28 2746 0.36 1230 0.16 760 0.66
1 2022-01-08 5173 0.72 101 1.98 295 8.14 2757 0.07 1454 0.21 558 1.08
2 2022-01-15 4796 0.38 66 4.55 320 0.94 2166 0.14 1645 0.43 597 0.34
3 2022-01-22 4500 0.24 202 0.00 227 3.08 1890 0.00 1426 0.21 753 0.13
4 2022-01-29 4429 0.23 144 1.39 228 1.32 1846 0.16 1443 0.14 766 0.00
5 2022-02-05 4038 0.25 193 2.07 233 0.86 1623 0.12 1270 0.08 715 0.14
6 2022-02-12 3549 0.42 188 2.13 239 2.51 1486 0.07 982 0.20 651 0.31
7 2022-02-19 3180 0.44 233 0.86 166 4.22 1397 0.00 823 0.61 557 0.00
8 2022-02-26 3038 0.53 253 0.79 205 3.41 1259 0.08 740 0.68 579 0.17
9 2022-03-05 3234 0.40 206 0.00 235 2.13 1348 0.07 918 0.65 523 0.19
10 2022-03-12 3152 0.51 243 0.41 230 1.74 1266 0.24 876 0.80 531 0.19
11 2022-03-19 3046 0.59 245 1.22 245 1.63 1186 0.00 910 0.66 460 1.09
12 2022-03-26 3367 0.77 205 1.46 367 1.09 1287 0.23 922 1.08 580 1.03
13 2022-04-02 3503 1.28 227 2.20 291 1.72 1363 0.95 1043 1.53 577 1.04
14 2022-04-09 3732 1.45 196 3.57 372 1.88 1285 1.25 1329 1.66 544 0.37
15 2022-04-16 3949 1.52 206 1.46 483 1.86 1225 1.71 1340 1.49 694 1.01
16 2022-04-23 3938 2.18 277 2.17 363 2.20 1237 1.70 1396 2.72 660 1.97
17 2022-04-30 5459 2.40 849 2.36 857 1.75 1496 1.87 1484 3.23 769 2.60
18 2022-05-07 6241 2.55 1584 1.01 967 1.03 1401 3.43 1496 4.01 788 3.17
19 2022-05-14 4551 3.63 470 3.19 514 3.11 1412 4.04 1444 3.53 706 3.68
20 2022-05-21 4550 4.79 584 3.42 497 3.62 1454 6.33 1228 4.97 779 3.47
21 2022-05-28 4779 5.69 1090 1.83 441 3.40 1332 8.41 1128 6.12 775 7.23
22 2022-06-04 4676 5.22 1144 2.71 445 3.15 1230 8.05 1123 4.10 724 7.46
23 2022-06-11 3721 5.35 696 2.73 633 1.90 594 8.59 1138 6.50 651 6.61
24 2022-06-18 3259 6.29 267 6.74 639 1.88 589 9.85 1070 5.14 690 8.99
25 2022-06-25 3234 6.96 284 5.28 641 1.56 621 10.79 1031 5.63 653 11.49
26 2022-07-02 2870 5.57 304 2.96 593 1.85 565 10.27 861 4.53 547 7.86

Positive enterovirus/rhinovirus (EV/RV) tests

Figure 8: Positive enterovirus/rhinovirus (EV/RV) tests (%) in Canada by region by surveillance week
Figure 8
Figure 8: Positive enterovirus/rhinovirus (EV/RV) tests (%) in Canada by region by surveillance week
Week Week End Can Tests EV/RV% Atl Tests EV/RV% QC Tests EV/RV% ON Tests EV/RV% Pr Tests EV/RV% BC Tests EV/RV%
35 2021-09-04 2536 21.96 580 21.21 N.A. N.A. 857 26.49 740 21.49 311 14.15
36 2021-09-11 2743 18.59 653 15.62 N.A. N.A. 805 21.24 953 18.68 311 18.01
37 2021-09-18 3336 27.46 978 33.44 N.A. N.A. 1104 27.72 858 22.26 378 23.02
38 2021-09-25 3555 33.19 1083 43.40 N.A. N.A. 1113 31.63 854 25.29 497 27.97
39 2021-10-02 3822 30.01 1070 32.52 N.A. N.A. 1461 32.44 766 21.28 513 30.99
40 2021-10-09 3504 26.26 721 17.48 N.A. N.A. 1542 33.01 715 23.92 515 21.75
41 2021-10-16 3243 22.91 543 16.21 N.A. N.A. 1461 27.24 725 15.17 502 28.88
42 2021-10-23 3552 22.16 628 11.78 N.A. N.A. 1631 25.32 766 21.93 515 25.05
43 2021-10-30 3711 19.64 836 7.06 N.A. N.A. 1540 24.68 777 19.18 539 25.97
44 2021-11-06 3623 21.45 415 16.39 N.A. N.A. 1675 23.28 834 17.99 689 24.38
45 2021-11-13 4162 22.39 709 12.83 N.A. N.A. 1766 27.18 865 21.04 812 21.55
46 2021-11-20 4067 21.37 597 13.57 N.A. N.A. 1735 23.34 975 21.85 743 22.21
47 2021-11-27 4287 18.54 575 11.83 N.A. N.A. 1951 21.78 1055 16.11 694 18.88
48 2021-12-04 4423 16.64 668 10.93 N.A. N.A. 2053 18.56 952 15.44 708 17.23
49 2021-12-11 5204 14.57 684 11.11 N.A. N.A. 2713 14.19 1061 14.80 716 18.30
50 2021-12-18 5516 12.40 677 7.68 N.A. N.A. 3058 10.99 1014 13.31 734 20.57
51 2021-12-25 5104 9.95 311 9.00 N.A. N.A. 3031 7.06 997 12.04 733 18.55
52 2022-01-01 4852 7.71 132 11.36 N.A. N.A. 2746 5.39 1196 9.95 747 11.91
1 2022-01-08 4902 5.71 104 6.73 N.A. N.A. 2757 2.76 1439 7.23 544 15.26
2 2022-01-15 4471 3.98 66 1.52 N.A. N.A. 2166 1.85 1608 4.54 588 10.37
3 2022-01-22 4258 3.12 202 2.97 N.A. N.A. 1892 1.48 1396 4.23 732 5.19
4 2022-01-29 4199 2.60 144 1.39 N.A. N.A. 1846 1.08 1421 3.45 753 5.05
5 2022-02-05 3806 3.02 193 1.55 N.A. N.A. 1623 1.79 1247 4.49 700 3.71
6 2022-02-12 3316 3.86 188 1.06 N.A. N.A. 1486 2.49 971 4.63 645 6.82
7 2022-02-19 3007 4.46 233 0.43 N.A. N.A. 1397 3.08 799 3.88 553 10.13
8 2022-02-26 2837 6.31 253 1.98 N.A. N.A. 1262 5.07 728 6.59 571 10.51
9 2022-03-05 2989 7.80 206 6.80 N.A. N.A. 1349 6.15 895 7.93 514 12.45
10 2022-03-12 2912 8.24 243 5.35 N.A. N.A. 1266 6.08 850 9.18 523 13.38
11 2022-03-19 2808 8.97 245 7.35 N.A. N.A. 1187 7.67 888 9.91 452 12.17
12 2022-03-26 3035 9.52 205 3.41 N.A. N.A. 1288 6.75 897 11.93 572 14.51
13 2022-04-02 3228 8.49 227 9.25 N.A. N.A. 1363 7.34 1008 9.03 562 10.68
14 2022-04-09 3351 9.25 196 8.16 N.A. N.A. 1286 7.54 1266 10.66 530 10.57
15 2022-04-16 3447 9.14 206 12.62 N.A. N.A. 1229 6.35 1295 8.49 682 14.52
16 2022-04-23 3573 8.20 277 7.94 N.A. N.A. 1244 6.19 1348 7.79 645 12.40
17 2022-04-30 4611 7.74 849 7.07 N.A. N.A. 1499 7.47 1412 7.72 757 8.59
18 2022-05-07 5341 7.41 1584 6.44 N.A. N.A. 1401 6.85 1453 7.78 780 10.13
19 2022-05-14 4128 8.36 470 5.11 N.A. N.A. 1412 6.94 1404 8.40 701 12.98
20 2022-05-21 4127 9.06 584 5.82 N.A. N.A. 1460 7.67 1184 10.30 773 11.77
21 2022-05-28 4356 10.26 1090 8.35 N.A. N.A. 1334 9.07 1099 13.47 764 10.86
22 2022-06-04 4332 9.14 1204 7.39 N.A. N.A. 1230 7.48 1102 10.80 705 12.48
23 2022-06-11 3114 13.26 696 11.21 N.A. N.A. 595 12.77 1118 12.70 640 16.41
24 2022-06-18 2639 14.36 267 11.24 N.A. N.A. 589 14.43 1054 13.85 680 16.62
25 2022-06-25 2618 16.62 284 9.15 N.A. N.A. 622 15.59 1017 17.60 643 19.75
26 2022-07-02 2255 15.39 304 12.50 N.A. N.A. 565 13.98 846 18.44 540 13.70

Positive human coronavirus (HCoV) tests

Figure 9: Positive human coronavirus (HCoV) tests (%) in Canada by region by surveillance week
Figure 9
Figure 9: Positive human coronavirus (HCoV) tests (%) in Canada by region by surveillance week
Week Week End Can Tests HCoV% Atl Tests HCoV% QC Tests HCoV% ON Tests HCoV% Pr Tests HCoV% BC Tests HCoV%
35 2021-09-04 1993 1.05 98 0.00 138 0.00 645 1.71 793 1.01 311 0.64
36 2021-09-11 2260 0.62 202 0.00 149 0.00 584 1.03 1013 0.69 307 0.33
37 2021-09-18 2477 0.44 247 0.40 131 0.00 809 0.49 906 0.55 378 0.26
38 2021-09-25 2552 0.67 130 0.00 221 0.00 788 1.14 914 0.88 497 0.00
39 2021-10-02 2722 0.62 120 0.00 232 0.43 1042 0.38 810 1.48 513 0.00
40 2021-10-09 2986 0.57 332 0.30 238 0.00 1118 0.81 779 0.77 515 0.19
41 2021-10-16 2844 1.69 250 1.60 335 0.90 1032 1.55 725 2.90 502 0.80
42 2021-10-23 3350 1.07 353 0.28 453 0.22 1200 1.33 826 1.82 515 0.58
43 2021-10-30 3332 1.05 601 0.67 313 0.64 1042 1.34 778 1.80 593 0.17
44 2021-11-06 3028 2.21 154 3.90 210 2.38 1069 1.87 905 3.65 689 0.44
45 2021-11-13 3465 2.57 326 0.92 317 0.32 1142 2.19 865 6.82 812 0.12
46 2021-11-20 3478 2.99 310 2.90 349 0.86 1047 2.77 1028 4.77 743 1.88
47 2021-11-27 3897 3.90 305 3.61 475 1.47 1317 3.80 1104 6.79 694 1.30
48 2021-12-04 3785 4.94 368 4.89 465 1.94 1225 4.90 1012 8.89 708 1.41
49 2021-12-11 3830 6.58 369 5.42 356 1.97 1281 7.18 1108 11.01 715 1.54
50 2021-12-18 3815 7.26 356 6.18 496 3.02 1181 9.31 1048 10.11 734 3.27
51 2021-12-25 3131 8.11 69 10.14 378 2.91 914 10.83 1034 9.96 733 4.64
52 2022-01-01 3204 10.33 124 14.52 320 2.50 782 14.58 1230 11.54 747 6.56
1 2022-01-08 3367 9.27 99 4.04 296 8.45 966 10.87 1454 9.42 544 7.54
2 2022-01-15 3364 7.46 59 3.39 412 1.21 657 11.26 1646 8.75 588 4.42
3 2022-01-22 3100 4.97 186 1.08 226 2.65 529 6.43 1425 6.32 732 3.01
4 2022-01-29 3211 3.92 108 0.00 312 3.21 593 6.24 1443 4.92 753 1.06
5 2022-02-05 2755 2.83 68 1.47 233 2.15 480 3.33 1270 3.15 700 2.29
6 2022-02-12 2329 3.01 84 0.00 239 1.26 376 3.72 982 3.67 645 2.64
7 2022-02-19 2038 3.24 100 0.00 201 1.00 357 3.64 823 4.37 553 2.71
8 2022-02-26 1962 3.67 124 0.81 194 2.06 331 4.83 740 2.16 571 6.13
9 2022-03-05 2137 3.32 106 0.94 208 0.48 387 6.72 918 2.29 514 4.28
10 2022-03-12 2149 3.86 104 0.96 274 1.09 365 4.93 877 2.96 523 6.69
11 2022-03-19 2064 3.25 104 2.88 275 0.73 321 5.30 912 2.85 452 4.20
12 2022-03-26 2376 4.38 83 1.20 363 1.93 431 5.57 922 3.15 571 7.36
13 2022-04-02 2470 4.45 83 1.20 328 2.13 450 5.78 1045 2.68 562 8.54
14 2022-04-09 2735 4.24 83 6.02 318 4.09 468 3.85 1330 3.38 530 6.60
15 2022-04-16 3076 4.97 105 6.67 465 3.44 484 6.40 1339 2.76 682 9.09
16 2022-04-23 3156 4.91 197 2.03 327 6.73 586 5.97 1396 3.08 645 7.91
17 2022-04-30 3789 4.91 102 4.90 723 5.26 720 5.83 1483 2.56 757 8.32
18 2022-05-07 3837 4.80 91 4.40 801 3.87 664 8.13 1496 2.47 780 7.44
19 2022-05-14 3315 4.37 122 4.92 384 5.47 667 6.60 1438 2.36 701 5.71
20 2022-05-21 3177 4.53 142 8.45 362 3.59 667 7.05 1228 2.12 773 5.95
21 2022-05-28 2883 3.64 134 1.49 304 7.24 541 4.25 1132 2.12 764 4.45
22 2022-06-04 2859 3.78 146 4.79 324 5.25 581 6.20 1127 2.57 675 2.81
23 2022-06-11 2970 2.93 153 3.27 503 3.18 525 5.33 1140 1.75 640 2.81
24 2022-06-18 2942 3.09 131 0.76 526 3.80 531 4.90 1070 2.24 680 2.94
25 2022-06-25 3055 3.60 277 4.69 532 3.38 566 9.54 1033 1.16 643 2.02
26 2022-07-02 2766 2.02 304 2.63 538 2.42 523 3.44 861 1.05 540 1.48

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