Measles and Rubella Weekly Monitoring Report - Week 12, 2018: March 18 to March 24, 2018
Key Points
- In Canada, no new cases of measles or rubella were reported in week 12, 2018.
- Four 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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Epidemiological summary:
During epidemiological week 12, 2018 no new confirmed cases of measles were reported in Canada1. To date in 2018, a total of four cases have been reported, all imported from India. No secondary cases have resulted from these importations.
It has been 108 epidemiological weeks since the last rubella case was reported and one epidemiological week since the last measles case.
Organization: Public Health Agency of Canada
Date published: 2018-04-04
FIGURE 1: Number of cases of measles (n=4) 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 March 24, 2018.
Figure 1 - Long Description
| Epidemiological Week of Rash Onset, 2018 | Number of confirmed measles cases reported | Number of confirmed rubella cases reported |
|---|---|---|
| 1 | 0 | 0 |
| 2 | 0 | 0 |
| 3 | 0 | 0 |
| 4 | 1 | 0 |
| 5 | 0 | 0 |
| 6 | 1 | 0 |
| 7 | 1 | 0 |
| 8 | 0 | 0 |
| 9 | 0 | 0 |
| 10 | 1 | 0 |
| 11 | 0 | 0 |
| 12 | 0 | 0 |
| Missing Rash Onset | 0 | 0 |
| Cases (year-to-date) | 4 | 0 |
Geographic distribution
There is currently one activeFigure 2 - Footnote * case of measles reported in Canada.
There are no reported active cases of rubella in Canada.
Figure 2: Distribution of activeFigure 2 - Footnote *, confirmed measles cases by health region.
Figure 2 - Long 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 |
| Centre-du-Québec | 0 | 0 |
| Montréal et Laval | 0 | 0 |
| Ouest-du-Québec | 0 | 0 |
| Montérégie | 0 | 0 |
| Nord-Est | 0 | 0 |
| Ontario Central East | 0 | 0 |
| Ontario Central West | 0 | 0 |
| Ontario Eastern | 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 |
| Southern Health | 0 | 0 |
| Saskatchewan South | 0 | 0 |
| Saskatchewan Central | 0 | 0 |
| Saskatchewan North | 0 | 0 |
| South Zone | 0 | 0 |
| Calgary Zone | 0 | 0 |
| Central Zone | 0 | 0 |
| Edmonton Zone | 0 | 0 |
| North Zone | 0 | 0 |
| British Columbia | 0 | 0 |
| Yukon | 0 | 0 |
| Northwest Territories | 0 | 0 |
| Nunavut | 0 | 0 |
Laboratory summary
Measles
In 2018, four cases of measles have been genotyped and the genotypes were D8 (n= 4) (Figure 3).
Cumulatively, there have been 4 genotype D8 viruses imported from India in 2018, all with distinct measles N450 sequences.
Figure 3: Distribution of measles genotypes detected in 2018 (n=4) by weekFigure 3 - Footnote † of rash onset.
Figure 3 - Long Description
| Epi week | B3 | B3 - Harare | D4 | D8 | D8 - Taunton | D9 | H1 | Total |
|---|---|---|---|---|---|---|---|---|
| 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 4 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 |
| 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 6 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 |
| 7 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 10 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Total | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 4 |
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.
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