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Measles & Rubella Weekly Monitoring Report - Week 21, May 20 to May 26, 2018

Key Points

  • In Canada, no new cases of measles or rubella were reported in week 21, 2018.
  • Eleven cases of measles and no cases of rubella have been reported in Canada in 2018.
  • Globally, there are large measles outbreaks reported in Europe which have affected a large number of countries. Canadians travelling to Europe are invited to consult the travel health notice for more information.

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Organization: Public Health Agency of Canada

Date published: 2018-06-07

Related Topics

Epidemiological summary

During epidemiological week 21, 2018 no new laboratory-confirmed cases of measles were reported in Canada1. No cases of rubella were reported.

To date in 2018, a total of 11 cases have been reported, all cases were imported or associated with an imported case.

The last rubella case was reported in February 2016 and the last measles case was reported during epidemiological week 19.

Figure 1: Number of cases of measles (n=11) 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 May 26, 2018.  

Figure 1
Figure 1 - Long Description
Figure 1: Number of cases of measles (n=11) 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 May 26, 2018.
Epidemiological Week of Rash Onset, 2018 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 1 0
7 1 0
8 0 0
9 0 0
10 1 0
11 0 0
12 0 0
13 0 0
14 1 0
15 1 0
16 2 0
17 1 0
18 1 0
19 1 0
20 0 0
21 0 0
Missing Rash Onset 0 0
Cases (year-to-date) 11 0

Geographic distribution

There is currently one activeNote * case of measles reported in Canada.

There are no reported active cases of rubella in Canada.

Figure 2: Distribution of activeFootnote *, confirmed measles cases by health region.

Figure 2 - Text Description
Figure 2: Distribution of active Figure 2 Table - Footnote * 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 0 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 1 0
North Zone 0 0
British Columbia 0 0
Yukon 0 0
Northwest Territories 0 0
Nunavut 0 0
Figure 2 Table - Footnote *

Active cases or outbreaks are those in which the onset date of the most recent case/outbreak-associated case falls within 32 days of the issue date of this reportFootnote 2.

Return to Figure 2 Table - Footnote * referrer

Laboratory summary

Measles

In 2018, ten cases of measles have been genotyped and the genotypes were B3 (n=4) and D8 (n=6) (Figure 3).

Figure 3: Distribution of measles genotypes detected in 2018 (n=10) by weekFigure 2 - Note † of rash onset.

Figure 2
Figure 3 - Long Description
Figure 3: Distribution of measles genotypes detected in 2018 (n=10) by weekFigure 2 - Note † 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 1 0 0 0 1
5 0 0 0 0 0 0 0 0
6 0 0 0 1 0 0 0 1
7 0 0 0 1 0 0 0 1
8 0 0 0 0 0 0 0 0
9 0 0 0 0 0 0 0 0
10 0 0 0 1 0 0 0 1
11 0 0 0 0 0 0 0 0
12 0 0 0 0 0 0 0 0
13 0 0 0 0 0 0 0 0
14 1 0 0 0 0 0 0 1
15 0 0 0 0 0 0 0 0
16 2 0 0 0 0 0 0 2
17 1 0 0 0 0 0 0 1
18 0 0 0 1 0 0 0 1
19 0 0 0 1 0 0 0 1
20 0 0 0 0 0 0 0 0
21 0 0 0 0 0 0 0 0
Total 4 0 0 6 0 0 0 10

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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