Measles & Rubella Weekly Monitoring Report – Week 17: April 19 to April 25, 2020
- In Canada, no new cases of measles or rubella were reported in week 17, 2020.
- Currently, there are no activeFootnote 1 cases of measles or rubella in Canada.
- One case of measles and no cases of rubella have been reported in Canada in 2020.
- Canadians travelling outside of Canada are encouraged to consult the travel health notices for information on measles and rubella outbreaks occurring in other countries.
Organization: Public Health Agency of Canada
Date published: 2020-05-08
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During epidemiological week 17, 2020, no new cases of measles or rubella were reported in CanadaFootnote 2. To date in 2020, one case of measles and no cases of rubella have been reported. The last case of rubella was reported in December 2019. The last case of congenital rubella syndrome/infection was reported in September 2018.
Figure 1 - Text Equivalent
|Epidemiological Week of Rash Onset, 2020||Number of confirmed measles cases reported||Number of confirmed rubella cases reported||Number of confirmed congenital rubella syndrome/infection cases reported|
- There are no activeFootnote * cases of measles or rubella reported in Canada.
- Footnote *
Active measles cases are those in which the onset date of the case falls within 42 days of the end date of the epidemiological week of the reportFootnote 4. Active rubella cases are those in which the onset date of the case falls within 46 days of the end date of the epidemiological week of the reportFootnote 5.
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||0|
|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 2020, one case of measles has been genotyped and the genotype was D8 (n=1).
- 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 2020 is January 6. However, for the purposes of this report, the genotype data is presented in accordance with PAHO reporting weeks with week 1 of 2020 beginning on December 29, 2019.
Figure 3 - Text Equivalent
|Epi week||B3||B3 - Harare||D4||D8||D8 - Taunton||D9||H1||Total|
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.
- Footnote 1
Active measles cases are those in which the onset date of the case falls within 42 days of the end date of the epidemiological week of the report. Active rubella cases are those in which the onset date of the case falls within 46 days of the end date of the epidemiological week of the 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
The Centers for Disease Control and Prevention. Manual for the Surveillance of Vaccine-Preventable Diseases. Chapter 7: Measles. https://www.cdc.gov/vaccines/pubs/surv-manual/chpt07-measles.html. Page last reviewed: May 13, 2019.
- Footnote 5
The Centers for Disease Control and Prevention. Manual for the Surveillance of Vaccine-Preventable Diseases. Chapter 14: Rubella. https://www.cdc.gov/vaccines/pubs/surv-manual/chpt14-rubella.html. Page last reviewed: May 18, 2018.
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