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Respiratory Virus Report, Week 35 - ending September 03, 2023

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Organization: Public Health Agency of Canada

Please note that the Respiratory Virus Detection Surveillance System (RVDSS) is a sentinel laboratory surveillance system that does not capture all respiratory virus testing performed in Canada; differences may exist between the data presented in this report and provincial/territorial epidemiological reports. SARS-CoV-2 laboratory data is included in this report to facilitate the comparison of positivity with other respiratory viruses. Interpretation should be made with caution as testing practices differ among viruses.

For additional SARS-CoV-2 surveillance information, please refer to the COVID-19 epidemiology update.

Overall summary

In week 35 (week ending September 2, 2023) in Canada, participating RVDSS laboratories reported 3,305 detections of SARS-CoV-2 from 21,886 tests (15.1% positive). Among non-SARS-CoV-2 respiratory viruses, where test volumes are lower (range of 4,573 to 13,360 tests), activity of enterovirus/rhinovirus is highest.

  • There has been an observed increase in national SARS-CoV-2 percent positivity over the latest eight reporting weeks.
  • While activity of enterovirus/rhinovirus is highest, it remains below expected levels typical of this time of year (612 detections; 12.5% positive).
  • Activity of all other non-SARS-CoV-2 respiratory viruses is low and near expected levels typical of this time of year.
  • 30/34 sentinel laboratories reported surveillance data

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Abbreviations:
ADV
Adenovirus
Atl
Atlantic Canada
BC
British Columbia
Can
Canada
EORLA
Eastern Ontario Regional Laboratory Association
EV/RV
Enterovirus/Rhinovirus
Flu
Influenza
Flu A(H1)pdm09
Influenza A(H1N1)pdm09
Flu A(H3)
Influenza A(H3N2)
Flu A(UnS)
Influenza A(Unsubtyped)
HCoV
Human coronavirus 229E/OC43/NL63/HKU1
HMPV
Human metapneumovirus
HPIV
Human parainfluenza virus
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
RSV
Respiratory syncytial virus
RVDSS
Respiratory Virus Detection Surveillance System
SARS-CoV-2
Severe acute respiratory syndrome coronavirus 2
Terr
Territories of Canada
UHN
University Health Network

Respiratory virus detections

Table 1: Respiratory virus detections for the week ending September 2, 2023 (surveillance week 2023-35)
Reporting Laboratory SARS-CoV-2 Tested SARS-CoV-2 Positive 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 488 79 283 0 0 0 0 0 283 0 283 0 0 1 3 0 283 3 283 0 283 63 283 0
Prince Edward Island 109 13 9 0 0 0 0 0 9 0 7 0 0 0 0 0 7 1 7 0 7 2 7 0
Nova Scotia 871 173 332 0 0 0 0 0 332 0 23 1 0 0 0 0 23 1 23 0 23 2 23 0
New Brunswick 642 92 360 0 0 0 0 0 345 0 49 0 0 0 0 0 49 2 49 0 49 8 49 0
Atlantic 2110 357 984 0 0 0 0 0 969 0 362 1 0 1 3 0 362 7 362 0 362 75 362 0
Région Nord-Est 1158 149 827 0 0 0 0 0 145 1 48 1 1 0 4 0 48 1 48 3 N.C. N.C. 48 0
Québec-Chaudière-Appalaches 1582 226 401 0 0 1 1 1 401 7 186 1 0 0 1 0 190 12 186 2 N.C. N.C. 186 0
Centre-du-Québec 1507 261 195 0 0 1 1 0 193 3 28 2 1 0 1 0 28 1 28 0 N.C. N.C. 28 1
Montréal-Laval 2919 458 1056 0 0 4 4 1 960 7 550 8 0 2 3 0 550 7 551 4 N.C. N.C. 550 2
Ouest du Québec 1146 221 277 0 0 1 1 1 277 4 14 1 1 1 2 0 14 1 14 2 N.C. N.C. 14 1
Montérégie 1046 210 568 0 0 1 1 2 550 7 6 0 0 0 0 0 6 0 6 0 N.C. N.C. 6 0
Province of Québec 9358 1525 3324 0 0 8 8 5 2526 29 832 13 3 3 11 0 836 22 833 11 N.C. N.C. 832 4
P.H.O.L. - Ottawa 289 115 163 1 0 0 1 0 163 3 104 0 0 0 0 1 104 0 104 0 104 14 104 0
EORLA 908 89 305 1 0 0 1 0 305 8 14 0 0 0 0 0 14 0 14 0 14 1 14 0
P.H.O.L. - Kingston 187 53 60 0 0 0 0 0 60 0 49 0 0 0 0 5 49 0 49 0 49 10 49 0
UHN / Mount Sinai Hospital 797 39 405 0 0 1 1 1 405 1 19 0 0 2 0 0 19 0 19 0 19 0 19 0
P.H.O.L. - Toronto 569 80 728 7 2 0 5 0 728 3 682 0 0 0 0 29 682 11 682 0 682 135 682 3
Shared Hospital Laboratory 863 69 863 1 3 0 4 0 863 13 861 0 0 0 0 9 861 8 864 3 864 52 864 0
P.H.O.L. - Sault Ste. Marie 2 0 3 0 0 0 0 0 3 0 3 0 0 0 0 0 3 0 3 0 3 0 3 0
P.H.O.L. - Timmins 11 0 6 0 0 0 0 0 6 0 6 0 0 0 0 0 6 0 6 0 6 1 6 0
St. Joseph's - London 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. N.R. N.R.
P.H.O.L. - London 276 78 169 0 0 0 0 1 169 0 129 0 0 0 0 7 129 0 129 0 129 17 129 0
P.H.O.L. - Orillia 15 2 28 0 0 0 0 0 28 1 27 0 0 0 0 1 27 0 27 0 27 5 27 0
P.H.O.L. - Thunder Bay 42 9 21 0 0 0 0 0 21 0 12 0 0 0 0 0 12 1 12 0 12 5 12 0
P.H.O.L. - Sudbury 10 2 12 0 0 0 0 0 12 0 11 0 0 0 0 0 11 0 11 0 11 4 11 0
P.H.O.L. - Hamilton 247 73 179 0 0 0 0 0 179 1 103 0 0 0 0 3 103 1 103 0 103 15 103 0
P.H.O.L. - Peterborough 27 5 34 0 0 0 0 0 34 0 31 0 0 0 0 0 31 0 31 0 31 14 31 0
St. Joseph's - Hamilton 1354 111 1187 0 0 3 3 2 1187 3 1187 0 0 4 0 0 1187 6 1187 4 1187 67 0 0
Sault Area Hospital 47 3 37 0 0 0 0 0 37 0 37 0 0 0 0 0 37 0 37 0 37 7 47 0
Province of Ontario 5644 728 4200 10 5 4 15 4 4200 33 3275 0 0 6 0 55 3275 27 3278 7 3278 347 2101 3
Manitoba 1144 154 942 0 0 2 2 0 942 4 49 0 0 0 1 0 49 6 72 0 49 21 72 0
Saskatchewan 982 66 422 0 0 1 1 0 412 1 153 1 2 0 0 0 153 7 153 1 153 28 153 2
Alberta N.R. N.R. 1355 3 3 0 6 0 1282 2 468 1 1 1 2 0 468 9 342 0 456 50 468 3
Prairies 2126 220 2719 3 3 3 9 0 2636 7 670 2 3 1 3 0 670 22 567 1 658 99 693 5
British Columbia 2648 475 2133 23 11 3 52 0 2133 7 612 1 2 0 9 0 612 16 612 1 585 91 585 1
Yukon N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. 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.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.R. N.R. N.C. N.C.
Nunavut N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. 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 N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.R. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.R. N.R. N.C. N.C.
CANADA 21886 3305 13360 36 19 18 84 9 12464 76 5751 17 8 11 26 55 5755 94 5652 20 4883 612 4573 13

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.

Some 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: Children's and Women's Hospital Laboratory, Fraser Health Medical Microbiology Laboratory, Island Health, Providence Health Care, Vancouver Coastal Health sites, Victoria General Hospital, BCCDC Public Health Laboratory, Interior Health Authority sites and Northern Health Authority sites.

Due to different testing protocols of laboratories across Canada, influenza A subtype detection counts may not be included in total influenza A detection counts. Total influenza A and B positive counts are used to calculate percentage of tests positive.

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

Table 2: Cumulative respiratory virus detections from August 27, 2023 to September 2, 2023 (surveillance weeks 2023-35 to 2023-35)
Reporting Laboratory SARS-CoV-2 Tested SARS-CoV-2 Positive 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 488 79 283 0 0 0 0 0 283 0 283 0 0 1 3 0 283 3 283 0 283 63 283 0
Prince Edward Island 109 13 9 0 0 0 0 0 9 0 7 0 0 0 0 0 7 1 7 0 7 2 7 0
Nova Scotia 871 173 332 0 0 0 0 0 332 0 23 1 0 0 0 0 23 1 23 0 23 2 23 0
New Brunswick 642 92 360 0 0 0 0 0 345 0 49 0 0 0 0 0 49 2 49 0 49 8 49 0
Atlantic 2110 357 984 0 0 0 0 0 969 0 362 1 0 1 3 0 362 7 362 0 362 75 362 0
Région Nord-Est 1158 149 827 0 0 0 0 0 145 1 48 1 1 0 4 0 48 1 48 3 N.C. N.C. 48 0
Québec-Chaudière-Appalaches 1582 226 401 0 0 1 1 1 401 7 186 1 0 0 1 0 190 12 186 2 N.C. N.C. 186 0
Centre-du-Québec 1507 261 195 0 0 1 1 0 193 3 28 2 1 0 1 0 28 1 28 0 N.C. N.C. 28 1
Montréal-Laval 2919 458 1056 0 0 4 4 1 960 7 550 8 0 2 3 0 550 7 551 4 N.C. N.C. 550 2
Ouest du Québec 1146 221 277 0 0 1 1 1 277 4 14 1 1 1 2 0 14 1 14 2 N.C. N.C. 14 1
Montérégie 1046 210 568 0 0 1 1 2 550 7 6 0 0 0 0 0 6 0 6 0 N.C. N.C. 6 0
Province of Québec 9358 1525 3324 0 0 8 8 5 2526 29 832 13 3 3 11 0 836 22 833 11 N.C. N.C. 832 4
P.H.O.L. - Ottawa 289 115 163 1 0 0 1 0 163 3 104 0 0 0 0 1 104 0 104 0 104 14 104 0
EORLA 908 89 305 1 0 0 1 0 305 8 14 0 0 0 0 0 14 0 14 0 14 1 14 0
P.H.O.L. - Kingston 187 53 60 0 0 0 0 0 60 0 49 0 0 0 0 5 49 0 49 0 49 10 49 0
UHN / Mount Sinai Hospital 797 39 405 0 0 1 1 1 405 1 19 0 0 2 0 0 19 0 19 0 19 0 19 0
P.H.O.L. - Toronto 569 80 728 7 2 0 5 0 728 3 682 0 0 0 0 29 682 11 682 0 682 135 682 3
Shared Hospital Laboratory 863 69 863 1 3 0 4 0 863 13 861 0 0 0 0 9 861 8 864 3 864 52 864 0
P.H.O.L. - Sault Ste. Marie 2 0 3 0 0 0 0 0 3 0 3 0 0 0 0 0 3 0 3 0 3 0 3 0
P.H.O.L. - Timmins 11 0 6 0 0 0 0 0 6 0 6 0 0 0 0 0 6 0 6 0 6 1 6 0
St. Joseph's - London 0 0 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. - London 276 78 169 0 0 0 0 1 169 0 129 0 0 0 0 7 129 0 129 0 129 17 129 0
P.H.O.L. - Orillia 15 2 28 0 0 0 0 0 28 1 27 0 0 0 0 1 27 0 27 0 27 5 27 0
P.H.O.L. - Thunder Bay 42 9 21 0 0 0 0 0 21 0 12 0 0 0 0 0 12 1 12 0 12 5 12 0
P.H.O.L. - Sudbury 10 2 12 0 0 0 0 0 12 0 11 0 0 0 0 0 11 0 11 0 11 4 11 0
P.H.O.L. - Hamilton 247 73 179 0 0 0 0 0 179 1 103 0 0 0 0 3 103 1 103 0 103 15 103 0
P.H.O.L. - Peterborough 27 5 34 0 0 0 0 0 34 0 31 0 0 0 0 0 31 0 31 0 31 14 31 0
St. Joseph's - Hamilton 1354 111 1187 0 0 3 3 2 1187 3 1187 0 0 4 0 0 1187 6 1187 4 1187 67 0 0
Sault Area Hospital 47 3 37 0 0 0 0 0 37 0 37 0 0 0 0 0 37 0 37 0 37 7 47 0
Province of Ontario 5644 728 4200 10 5 4 15 4 4200 33 3275 0 0 6 0 55 3275 27 3278 7 3278 347 2101 3
Manitoba 1144 154 942 0 0 2 2 0 942 4 49 0 0 0 1 0 49 6 72 0 49 21 72 0
Saskatchewan 982 66 422 0 0 1 1 0 412 1 153 1 2 0 0 0 153 7 153 1 153 28 153 2
Alberta 0 0 1355 3 3 0 6 0 1282 2 468 1 1 1 2 0 468 9 342 0 456 50 468 3
Prairies 2126 220 2719 3 3 3 9 0 2636 7 670 2 3 1 3 0 670 22 567 1 658 99 693 5
British Columbia 2648 475 2133 23 11 3 52 0 2133 7 612 1 2 0 9 0 612 16 612 1 585 91 585 1
Yukon 0 0 0 0 0 0 0 0 0 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 0 0 0 0 0 0 0 0 0 0 N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. 0 0 N.C. N.C.
Nunavut 0 0 0 0 0 0 0 0 0 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.
Territories 0 0 0 0 0 0 0 0 0 0 N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. 0 0 N.C. N.C.
CANADA 21886 3305 13360 36 19 18 84 9 12464 76 5751 17 8 11 26 55 5755 94 5652 20 4883 612 4573 13

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.

Some 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: Children's and Women's Hospital Laboratory, Fraser Health Medical Microbiology Laboratory, Island Health, Providence Health Care, Vancouver Coastal Health sites, Victoria General Hospital, BCCDC Public Health Laboratory, Interior Health Authority sites and Northern Health Authority sites.

Due to different testing protocols of laboratories across Canada, influenza A subtype detection counts may not be included in total influenza A detection counts. Total influenza A and B positive counts are used to calculate percentage of tests positive.

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.

Positive respiratory virus tests historical comparison

Figure 1: Positive severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), influenza, and respiratory syncytial 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: Changes to testing practices during the COVID-19 pandemic may cause substantial changes to indicator estimates from previous years. Collection of laboratory testing practice meta-data to understand these changes is ongoing. Interpret trends with caution.

Note: SARS-CoV-2 surveillance was integrated into RVDSS at the beginning of the 2022-2023 season; no prior data is available for historical comparison.

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

Figure 1: Positive severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), influenza, and respiratory syncytial 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 2023-2024 SARS-CoV-2% 2022-2023 SARS-CoV-2% 2023-2024 A% 2022-2023 A% 2021-2022 A% Max A% Base Min A% Base Av A% Base 2023-2024 B% 2022-2023 B% 2021-2022 B% Max B% Base Min B% Base Av B% Base 2023-2024 RSV% 2022-2023 RSV% 2021-2022 RSV% Max RSV% Base Min RSV% Base Av RSV% Base
35 2023-09-02 15.10 13.40 0.63 0.18 0.04 1.60 0.11 0.67 0.07 0.02 0.00 0.28 0.00 0.14 0.61 1.12 4.43 1.34 0.38 0.61
Figure 2: Positive tests (%) of other respiratory viruses reported by participating laboratories in Canada by surveillance week compared to average and range from 2014-2015 to 2019-2020 season
Figure 2

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

Note: Changes to testing practices during the COVID-19 pandemic may cause substantial changes to indicator estimates from previous years. Collection of laboratory testing practice meta-data to understand these changes is ongoing. Interpret trends with caution.

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

Figure 2: Positive tests (%) of other respiratory viruses reported by participating laboratories in Canada by surveillance week compared to average and range from 2014-2015 to 2019-2020 season
Week Week end 2023-2024 EV/RV% 2022-2023 EV/RV% 2021-2022 EV/RV% Max EV/RV% Base Min EV/RV% Base Av EV/RV% Base 2023-2024 HPIV% 2022-2023 HPIV% 2021-2022 HPIV% Max HPIV% Base Min HPIV% Base Av HPIV% Base 2023-2024 ADV% 2022-2023 ADV% 2021-2022 ADV% Max ADV% Base Min ADV% Base Av ADV% Base 2023-2024 HMPV% 2022-2023 HMPV% 2021-2022 HMPV% Max HMPV% Base Min HMPV% Base Av HMPV% Base 2023-2024 HCoV% 2022-2023 HCoV% 2021-2022 HCoV% Max HCoV% Base Min HCoV% Base Av HCoV% Base
35 2023-09-02 12.53 15.47 21.96 27.19 22.44 24.71 2.03 2.80 5.99 3.16 1.15 2.44 1.63 2.28 1.18 1.74 0.99 1.43 0.35 1.80 0.23 2.04 0.10 0.78 0.28 0.53 1.05 0.76 0.18 0.45

Positive severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) tests

Figure 3: Positive severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) tests (%) in Canada by region by surveillance week
Figure 3

Note: Differences in positivity between jurisdictions can reflect differences in testing practices. Please interpret with caution.

Figure 3: Positive severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) tests (%) in Canada by region by surveillance week
Week Week end Can Tests SARS-CoV-2% Atl Tests SARS-CoV-2% QC Tests SARS-CoV-2% ON Tests SARS-CoV-2% Pr Tests SARS-CoV-2% BC Tests SARS-CoV-2% Terr Tests SARS-CoV-2%
35 2023-09-02 21886 15.10 2110 16.92 9358 16.30 5644 12.90 2126 10.35 2648 17.94 - -

Positive influenza (Flu) tests

Figure 4: Positive influenza (Flu) tests (%) in Canada by region by surveillance week
Figure 4
Figure 4: 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 2023-09-02 13360 0.63 0.07 984 0.00 0.00 3324 0.24 0.15 4200 0.36 0.10 2719 0.33 0.00 2133 2.44 0.00 - - -

Positive respiratory syncytial virus (RSV) tests

Figure 5: Positive respiratory syncytial virus (RSV) tests (%) in Canada by region by surveillance week
Figure 5
Figure 5: 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 2023-09-02 12464 0.61 969 0.00 2526 1.15 4200 0.79 2636 0.27 2133 0.33 - -

Positive human parainfluenza virus (HPIV) tests

Figure 6: Positive human parainfluenza virus (HPIV) tests (%) in Canada by region by surveillance week
Figure 6
Figure 6: 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 2023-09-02 5751 2.03 362 1.38 832 3.61 3275 1.86 670 1.34 612 1.96

Positive adenovirus (ADV) tests

Figure 7: Positive adenovirus (ADV) tests (%) in Canada by region by surveillance week
Figure 7
Figure 7: 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 2023-09-02 5755 1.63 362 1.93 836 2.63 3275 0.82 670 3.28 612 2.61

Positive human metapneumovirus (HMPV) tests

Figure 8: Positive human metapneumovirus (HMPV) tests (%) in Canada by region by surveillance week
Figure 8
Figure 8: 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 2023-09-02 5652 0.35 362 0.00 833 1.32 3278 0.21 567 0.18 612 0.16

Positive enterovirus/rhinovirus (EV/RV) tests

Figure 9: Positive enterovirus/rhinovirus (EV/RV) tests (%) in Canada by region by surveillance week
Figure 9
Figure 9: 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 2023-09-02 4883 12.53 362 20.72 - - 3278 10.59 658 15.05 585 15.56

Positive human coronavirus (HCoV) tests

Figure 10: Positive human coronavirus (HCoV) tests (%) in Canada by region by surveillance week
Figure 10
Figure 10: 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 2023-09-02 4573 0.28 362 0.00 832 0.48 2101 0.14 693 0.72 585 0.17

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