Measles & Rubella Weekly Monitoring Report – Week 39: September 22 to 28, 2019
- In Canada, one new case of measles and no new cases of rubella were reported in week 39, 2019.
- Currently, there is one activeFootnote 1 case of measles in Canada.
- One hundred and twelve (112) cases of measles and no cases of rubella have been reported in Canada in 2019. These cases were reported by Québec, British Columbia, the Northwest Territories, Ontario, Alberta, New Brunswick, Saskatchewan, and Manitoba.
- Canadians travelling outside of Canada are encouraged to consult the travel health notices for information on measles and rubella outbreaks occurring in other countries.
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During epidemiological week 39, 2019 one new confirmed case of measles and no new cases of rubella were reported in CanadaFootnote 2. The case was reported by the province of Quebec but with travel history reported between Quebec, New Brunswick and Ontario. No travel history outside of Canada or known links to other confirmed cases of measles were reported. Rash onset was in epidemiological week 39. To date in 2019, 112 cases of measles and no cases of rubella have been reported. The last case of rubella was reported in 2016 and the last case of congenital rubella syndrome/infection was reported in September 2018.
- Footnote †
Note: 22 cases not shown due to missing date of rash onset. These cases likely occurred between epidemiological weeks 27 to 31.
Figure 1 - Text equivalent
|Epidemiological Week of Rash Onset, 2019||Number of confirmed measles cases reported||Number of confirmed rubella cases reported||Number of confirmed congenital rubella syndrome/infection cases reported|
- There is currently one activeFootnote * case of measles reported in Canada.
Figure 2 - Text equivalent
|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|
|Montréal et Laval||1|
|Ontario Central East||0|
|Ontario Central West||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|
In 2019, seventy-one (71) cases of measles have been genotyped and the genotypes were B3 (n=18) and D8 (n=53), both of which are circulating globally.
- 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 2019 is January 7. However, for the purposes of this report, the genotype data is presented in accordance with PAHO reporting weeks with week 1 of 2019 beginning on December 30, 2018.
Figure 3 - Text equivalent
|Epi week||B3||B3 - Harare||D4||D8||D8 - Taunton||D9||H1||Total|
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 named strains), refer to Hiebert J and Severini A. Canada Communicable Disease Report. 2014; 40-12: 257- 260.
- Footnote 1
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 report.
- Footnote 2
Only cases with rash onset up to the indicated end date are included in this report. Any additional cases will be described in future reports.
- Footnote 3
Epidemiological week of birth is used for congenital rubella syndrome cases.
- Footnote 4
Public Health Agency of Canada. Guidelines for the prevention and control of measles outbreaks in Canada. Canadian Communicable Disease Report. 2013. Vol. 39: Definitions: conclusion of an outbreak (p. 5).
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