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Measles & Rubella Weekly Monitoring Report - Week 32, 2018: August 5 to August 11, 2018

Key Points

  • In Canada, one new case of measles and no new cases of rubella were reported in week 32, 2018.
  • Twenty 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 and Venezuela are invited to consult the travel health notices for more information.

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Organization: Public Health Agency of Canada

Date published: 2018-08-13

Related Topics

Epidemiological summary

During epidemiological week 32, 2018 one new laboratory-confirmed case of measles and no new cases of rubella were reported in Canada1. The case was reported by the province of British Columbia. It was in a visitor to the province from Brazil with rash onset in epidemiological week 31.2

To date in 2018, a total of 20 cases of measles have been reported.

The last rubella case was reported in February 2016.

Figure 1: Number of cases of measles (n=20) 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 August 11, 2018.

Figure 1 - Long Description
Figure 1: Number of cases of measles (n=20) 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 August 11, 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
22 2 0
23 2 0
24 1 0
25 1 0
26 1 0
27 0 0
28 1 0
29 0 0
30 0 0
31 1 0
32 0 0
Missing Rash Onset 0 0
Cases (year-to-date) 20 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 0 0
North Zone 0 0
British Columbia 1 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, 19 cases of measles have been genotyped and the genotypes were B3 (n=5) and D8 (n=14) (Figure 3).

Measles genotype D8 was detected in the case imported from Brazil and reported by the province of British Columbia. The strain was identical to the WHO named strain MVi/Hulu Langat.MYS/26.11 (GenBank accession number JX486001). Measles genotype D8 has been recently reported from a number of South American countries.

Figure 3: Distribution of measles genotypes detected in 2018 (n=19) by weekFigure 2 - Note † of rash onset.

Figure 3 - Long Description
Figure 3: Distribution of measles genotypes detected in 2018 (n=19) 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
22 0 0 0 3 0 0 0 3
23 0 0 0 1 0 0 0 1
24 0 0 0 1 0 0 0 1
25 1 0 0 1 0 0 0 1
26 0 0 0 0 0 0 0 0
27 0 0 0 1 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 1 0 0 0 1
32 0 0 0 0 0 0 0 0
Total 5 0 0 14 0 0 0 19

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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