Measles & Rubella Weekly Monitoring Report: January 31 to February 6, 2016 (week 5)
- In Canada, no new cases of measles or rubella were reported for week 5, 2016.
- One province, British Columbia, currently has an activeFigure 2 - Footnote * measles case.
- A total of 2 cases of measles, and 0 cases of rubella have been reported in Canada in 2016.
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During epidemiological week 5, 2016, no new cases of measles or rubella were reportedFootnote 1. It has been 2 epidemiological week since the last reported measles case (week 03, 2016), and 100 weeks since the last reported rubella case (week 10, 2014).
The year-to-date total is 2 cases of measles and 0 cases of rubella for 2016 (Figure 1).
Figure 1: Number of cases of measles (n=2) 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 February 6, 2016.
To date in 2016, measles cases have been reported in two Canadian provinces: British Columbia and Ontario.
To date in 2016, 2 measles cases have been genotyped and the genotypes were B3 (n=1) and D8 (n=1) (Figure 3).
One case reported by British Columbia, with travel history in the Western Pacific Region, was genotype D8, identical to the sequence variant MVi/Hulu Langat.MYS/26.11 (GenBank accession number JX486001). Measles genotype D8 has been associated with imported cases in the Western Pacific Region.
Figure 3: Distribution of measles genotypes detected in 2016 (n=2) by weekFigure 3 - Footnote † of rash onset (if available, n=2) or specimen collection (n=0).
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.
To date in 2016, no rubella cases have been reported. As such, no genotype information is available.
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