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Measles & Rubella Weekly Monitoring Report - Week 35, August 27 to September 2, 2017

Key Points

  • In Canada, no new cases of measles were reported in week 35, 2017.
  • One province (Ontario) has an active measles case.
  • A total of 44 cases of measles, and zero cases of rubella have been reported in Canada in 2017.
  • Globally, there are large outbreaks reported in Europe which have affected several countries. Canadians travelling to Europe are invited to consult the travel health notice for more information.

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Epidemiological summary:

During epidemiological week 35, 2017 no new cases of measles were reported in CanadaFootnote 1. 

The latest case was imported in week 34 and reported by the province of Ontario.  

To date in 2017, 44 cases of measles have been reported in Canada. Two outbreaks have been confirmed – one that began in February and the other began in March and involved five provinces. Both outbreaks have concluded.

No cases of rubella have been reported in 2017 (Figure 1). It has been 80 epidemiologic weeks since the last rubella case was reported (week 6, 2016).

Organization: Public Health Agency of Canada

Date published: 2017-09-12

Related Topics

Figure 1: Number of cases of measles (n=44) and rubella (n=0), by week of rash onset, as reported to the Canadian Measles/ Rubella Surveillance System (CMRSS) and Measles and Rubella Surveillance System (MARS), for the period ending September 2, 2017.

Figure 1 - Long Description
Figure 1: Number of cases of measles (n=43) and rubella (n=0), by week of rash onset, as reported to the Canadian Measles/ Rubella Surveillance System (CMRSS) and Measles and Rubella Surveillance System (MARS), for the period ending September 2, 2017.
Epidemiological Week of Rash Onset, 2017 Number of confirmed measles cases reported Number of confirmed rubella cases reported
1 0 0
2 0 0
3 0 0
4 1 0
5 0 0
6 2 0
7 1 0
8 4 0
9 1 0
10 0 0
11 1 0
12 8 0
13 12 0
14 1 0
15 3 0
16 3 0
17 1 0
18 2 0
19 0 0
20 1 0
21 2 0
22 0 0
23 0 0
24 0 0
25 0 0
26 0 0
27 0 0
28 0 0
29 0 0
30 0 0
31 0 0
32 0 0
33 0 0
34 1 0
35 0 0
Missing Rash Onset 0 0
Cases (year-to-date) 44 0

Geographic distribution

There is currently one activeFigure 2 - Footnote * case of measles reported in one Canadian province (Ontario) (Figure 2).

There are no reported active cases of rubella in Canada (Figure not shown).

Figure 2: Distribution of activeFigure 2 - Footnote *, confirmed measles cases by health region.

Figure 2 - Long Description
Figure 2: Distribution of active *, confirmed measles cases by health region.
Health Region Measles Cases Rubella Cases
Eastern Regional Integrated Health Authority 0 0
Central Regional Integrated Health Authority 0 0
Western Regional Integrated Health Authority 0 0
Labrador-Grenfell Regional Integrated Health Authority 0 0
Prince Edward Island 0 0
South Shore District Health Authority 0 0
South West Nova District Health Authority 0 0
Annapolis Valley District Health Authority 0 0
Colchester East Hants Health Authority 0 0
Cumberland Health Authority 0 0
Pictou County Health Authority 0 0
Guysborough Antigonish Strait Health Authority 0 0
Cape Breton District Health Authority 0 0
Capital District Health Authority 0 0
Zone 1 (NB) 0 0
Zone 2 (NB) 0 0
Zone 3 (NB) 0 0
Zone 4 (NB) 0 0
Zone 5 (NB) 0 0
Zone 6 (NB) 0 0
Zone 7 (NB) 0 0
Québec et Chaudières-Appalaches 0 0
Centre-du-Québec 0 0
Montréal et Laval 0 0
Ouest-du-Québec 0 0
Montérégie 0 0
Nord-Est 0 0
Ontario Central East 0 0
Ontario Central West 0 0
Ontario Eastern 0 0
Ontario North East 0 0
Ontario North West 0 0
Ontario South West 0 0
City of Toronto Health Unit 1 0
Winnipeg Regional Health Authority 0 0
Prairie Mountain Health 0 0
Interlake-Eastern Regional Health Authority 0 0
Northern Regional Health Authority 0 0
Southern Health 0 0
Saskatchewan South 0 0
Saskatchewan Central 0 0
Saskatchewan North 0 0
South Zone 0 0
Calgary Zone 0 0
Central Zone 0 0
Edmonton Zone 0 0
North Zone 0 0
British Columbia 0 0
Yukon 0 0
Northwest Territories 0 0
Nunavut 0 0

Laboratory summary

Measles

To date in 2017, 36 of the 44 reported measles cases (82%) have had specimens available for genotyping and the genotypes were B3 (n=7) and D8 (n=29) (Figure 3).  An imported case with onset in week 34 was genotype B3, identical to the MVs/Dublin.IRL/8.16 named strain. 

Figure 3: Distribution of measles genotypes detected in 2017 (n=35) by weekFigure 3 - Footnote † of rash onset.

Figure 3 - Long Description
Figure 3: Distribution of measles genotypes detected in 2017 (n=35) by week† of rash onset.
Epi week B3 B3 - Harare D4 D8 D8 - Taunton D9 H1 Total
1 0 0 0 0 0 0 0 0
2 0 0 0 0 0 0 0 0
3 0 0 0 0 0 0 0 0
4 0 0 0 0 0 0 0 0
5 0 0 0 0 0 0 0 0
6 2 0 0 0 0 0 0 2
7 1 0 0 0 0 0 0 1
8 2 0 0 2 0 0 0 4
9 0 0 0 0 0 0 0 0
10 0 0 0 0 0 0 0 0
11 0 0 0 2 0 0 0 2
12 0 0 0 8 0 0 0 8
13 1 0 0 4 0 0 0 5
14 0 0 0 3 0 0 0 3
15 0 0 0 2 0 0 0 2
16 0 0 0 4 0 0 0 4
17 0 0 0 0 0 0 0 0
18 0 0 0 2 0 0 0 2
19 0 0 0 0 0 0 0 0
20 0 0 0 1 0 0 0 0
21 0 0 0 1 0 0 0 0
22 0 0 0 0 0 0 0 0
23 0 0 0 0 0 0 0 0
24 0 0 0 0 0 0 0 0
25 0 0 0 0 0 0 0 0
26 0 0 0 0 0 0 0 0
27 0 0 0 0 0 0 0 0
28 0 0 0 0 0 0 0 0
29 0 0 0 0 0 0 0 0
30 0 0 0 0 0 0 0 0
31 0 0 0 0 0 0 0 0
32 0 0 0 0 0 0 0 0
33 0 0 0 0 0 0 0 0
34 0 0 0 0 0 0 0 0
35 0 0 0 0 0 0 0 0
Total 6 0 0 29 0 0 0 35

The current global distribution of measles genotypes can be found on the WHO Measles Surveillance website.

For information regarding the interpretation and use of measles genotyping (including a discussion of genotypes and sequence variants), refer to Hiebert J and Severini A. Canada Communicable Disease Report. 2014; 40-12: 257- 260.

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