Measles & Rubella Weekly Monitoring Report – Week 37: September 10 to September 16, 2023
Organization
Organization: Public Health Agency of Canada
Related topics
Key points:
- In Canada, no new cases of measles or rubella were reported in week 37, 2023.
- Currently, there is 1 active case of congenital rubella syndrome and no activeFootnote 1 cases of measles or rubella in Canada.
- 7 cases of measles, 1 case of rubella and 2 cases of congenital rubella syndrome have been reported in Canada in 2023.
- Canadians travelling outside of Canada are encouraged to consult the travel health notices for information on measles and rubella outbreaks occurring in other countries.
On this page
Epidemiological summary
During epidemiological week 37, 2023, no new cases of measles or rubella were reported in CanadaFootnote 2. To date in 2023, 7 cases of measles, 1 case of rubella and 2 cases of congenital rubella syndrome have been reported.
Figure 1 - Text description
Epidemiological Week of Rash Onset, 2023 | Number of confirmed measles cases reported | Number of confirmed rubella cases reported | Number of confirmed congenital rubella syndrome/infection cases reported |
---|---|---|---|
1 | 1 | 0 | 0 |
2 | 0 | 0 | 0 |
3 | 0 | 0 | 0 |
4 | 0 | 0 | 0 |
5 | 0 | 0 | 0 |
6 | 0 | 0 | 0 |
7 | 2 | 0 | 0 |
8 | 0 | 0 | 0 |
9 | 0 | 0 | 0 |
10 | 0 | 0 | 0 |
11 | 0 | 0 | 0 |
12 | 0 | 0 | 0 |
13 | 0 | 0 | 0 |
14 | 1 | 0 | 0 |
15 | 0 | 0 | 0 |
16 | 1 | 0 | 0 |
17 | 0 | 0 | 0 |
18 | 1 | 0 | 0 |
19 | 0 | 0 | 0 |
20 | 0 | 0 | 0 |
21 | 0 | 0 | 0 |
22 | 0 | 0 | 0 |
23 | 1 | 0 | 0 |
24 | 0 | 0 | 0 |
25 | 0 | 0 | 0 |
26 | 0 | 0 | 0 |
27 | 0 | 0 | 0 |
28 | 0 | 1 | 0 |
29 | 0 | 0 | 0 |
30 | 0 | 0 | 0 |
31 | 0 | 0 | 0 |
32 | 0 | 0 | 1 |
33 | 0 | 0 | 0 |
34 | 0 | 0 | 1 |
35 | 0 | 0 | 0 |
36 | 0 | 0 | 0 |
37 | 0 | 0 | 0 |
38 | 0 | 0 | 0 |
39 | 0 | 0 | 0 |
40 | 0 | 0 | 0 |
41 | 0 | 0 | 0 |
42 | 0 | 0 | 0 |
43 | 0 | 0 | 0 |
44 | 0 | 0 | 0 |
45 | 0 | 0 | 0 |
46 | 0 | 0 | 0 |
47 | 0 | 0 | 0 |
48 | 0 | 0 | 0 |
49 | 0 | 0 | 0 |
50 | 0 | 0 | 0 |
51 | 0 | 0 | 0 |
52 | 0 | 0 | 0 |
Cases (year-to-date) | 7 | 1 | 2 |
Geographic distribution
There is currently 1 activeFootnote ** case of congenital rubella syndrome and no activeFootnote * cases of measles or rubella in Canada.
Figure 2 - Text description
Health Region | Measles Active Cases |
---|---|
Eastern Regional Integrated Health Authority | 0 |
Central Regional Integrated Health Authority | 0 |
Western Regional Integrated Health Authority | 0 |
Labrador-Grenfell Regional Integrated Health Authority | 0 |
Prince Edward Island | 0 |
South Shore District Health Authority | 0 |
South West Nova District Health Authority | 0 |
Annapolis Valley District Health Authority | 0 |
Colchester East Hants Health Authority | 0 |
Cumberland Health Authority | 0 |
Pictou County Health Authority | 0 |
Guysborough Antigonish Strait Health Authority | 0 |
Cape Breton District Health Authority | 0 |
Capital District Health Authority | 0 |
Zone 1 (NB) | 0 |
Zone 2 (NB) | 0 |
Zone 3 (NB) | 0 |
Zone 4 (NB) | 0 |
Zone 5 (NB) | 0 |
Zone 6 (NB) | 0 |
Zone 7 (NB) | 0 |
Québec et Chaudières-Appalaches | 0 |
Centre-du-Québec | 0 |
Montréal et Laval | 0 |
Ouest-du-Québec | 0 |
Montérégie | 0 |
Nord-Est | 0 |
Ontario Central East | 0 |
Ontario Central West | 0 |
Ontario Eastern | 0 |
Ontario North East | 0 |
Ontario North West | 0 |
Ontario South West | 0 |
City of Toronto Health Unit | 0 |
Winnipeg Regional Health Authority | 0 |
Prairie Mountain Health | 0 |
Interlake-Eastern Regional Health Authority | 0 |
Northern Regional Health Authority | 0 |
Southern Health | 0 |
Saskatchewan South | 1 |
Saskatchewan Central | 0 |
Saskatchewan North | 0 |
South Zone | 0 |
Calgary Zone | 0 |
Central Zone | 0 |
Edmonton Zone | 0 |
North Zone | 0 |
British Columbia | 0 |
Yukon | 0 |
Northwest Territories | 0 |
Nunavut | 0 |
Laboratory summary
Measles
To date in 2023, 7 cases of measles have been genotyped and the genotypes were B3 (n=2) and D8 (n=5).
Figure 3 - Text description
Epi week | B3 | B3 - Harare | D4 | D8 | D8 - Taunton | D9 | H1 | Total |
---|---|---|---|---|---|---|---|---|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
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 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
7 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 2 |
8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
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 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 |
15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
16 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 |
17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
18 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 |
19 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
20 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
22 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
23 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 |
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 |
36 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
37 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
38 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
39 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
40 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
41 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
42 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
43 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
44 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
45 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
46 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
47 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
48 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
49 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
50 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
51 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
52 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Total | 2 | 0 | 0 | 5 | 0 | 0 | 0 | 7 |
- Footnote †
-
Epidemiological weeks for laboratory specimens submitted to the National Microbiology Laboratory are assigned and reported in accordance with WHO guidelines (WHO.WER.2012;9(87):73) with week 1 beginning on the first Monday of the year, which for 2023 is January 02. However, for the purposes of this report, the genotype data is presented in accordance with PAHO reporting weeks with week 1 of 2023 beginning on January 01, 2023.
For information regarding the interpretation and use of measles genotyping (including a discussion of genotypes and named strains), refer to Hiebert J and Severini A. Canada Communicable Disease Report. 2014; 40-12: 257- 260.
The current global distribution of measles genotypes can be found on the WHO Measles Surveillance website.
Rubella and Congenital rubella syndrome/infection
To date in 2023, 1 congenital rubella syndrome case has been genotyped and it was genotype 1G.
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