Measles & Rubella Weekly Monitoring Report - Week 17, 2018: April 22 to April 28, 2018
- In Canada, four new cases of measles or rubella were reported in week 17, 2018.
- Nine 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 are invited to consult the travel health notice for more information.
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During epidemiological week 17, 2018 one new laboratory-confirmed case of measles and three secondary cases with epidemiological link to the laboratory-confirmed case were reported by the province of Quebec1. Three of the cases, including the index case are siblings who recently arrived from Romania as refugees. The fourth case is an extended member of the family who also recently arrived from Romania. None of the cases were vaccinated. Measles is endemic in Romania and a large outbreak is ongoing. No cases of rubella were reported.
To date in 2018, a total of nine cases have been reported, all cases were imported or import-related.The last rubella case was reported in February 2016.
Figure 1: Number of cases of measles (n=9) 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 April 28, 2018.
Figure 1 - Long Description
|Epidemiological Week of Rash Onset, 2018||Number of confirmed measles cases reported||Number of confirmed rubella cases reported|
|Missing Rash Onset||0||0|
There are currently four activeNote * cases 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
|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|
|Montréal et Laval||4||0|
|Ontario Central East||0||0|
|Ontario Central West||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|
In 2018, five cases of measles have been genotyped and the genotypes were D8 (n= 4) and B3 (n=1) (Figure 3).
Figure 3: Distribution of measles genotypes detected in 2018 (n=5) by weekFigure 2 - Note † of rash onset.
Figure 3 - Long Description
|Epi week||B3||B3 - Harare||D4||D8||D8 - Taunton||D9||H1||Total|
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