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Measles & Rubella Weekly Monitoring Report: March 13 to March 19, 2016 (week 11)

Key Points

  • In Canada, 2 new cases of measles and 1 new case of rubella were reported for week 11, 2016.
Three provinces (British Columbia, Alberta, and Ontario) have active
Figure 2 - Footnote *
measles cases. These events are not linked, as they resulted from separate importation events.
  • The rubella case (British Columbia) is no longer active
  • A total of 6 cases of measles, and 1 case of rubella have been reported in Canada in 2016.

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Public Health Agency of Canada
Date published: 2016-08-29

Related Topics

Epidemiological Summary

During epidemiological week 11, 2016, 2 new cases of measles were reported by Alberta and OntarioFootnote 1, and 1 new case of rubella was reported by British Columbia.

The measles cases reported by Alberta and Ontario were both imported, acquired during travel to Pakistan and India, respectively.  These cases both had rash onset in week 11.

Similarly, the rubella case reported by British Columbia was also imported, acquired during travel to Vietnam.  This case had rash onset in week 06 and is no longer active.

The year-to-date total is 6 cases of measles and 1 case of rubella for 2016 (Figure 1).

Figure 1: Number of cases measles (n=6) and rubella (n=1), 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 19, 2016.

Figure 1
Figure 1 - Text Description
Figure 1. Number of cases measles (n=6) and rubella (n=1), 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 19, 2016.
Epidemiological Week of Rash Onset, 2016 Number of confirmed measles cases reported Number of confirmed rubella cases reported
1 1 0
2 0 0
3 1 0
4 0 0
5 0 0
6 0 1
7 0 0
8 0 0
9 2 0
10 0 0
11 2 0
12 0 0
13 0 0
14 0 0
15 0 0
16 0 0
17 0 0
18 0 0
19 0 0
20 0 0
21 0 0
22 0 0
23 0 0
24 0 0
25 0 0
26 0 0
27 0 0
28 0 0
29 0 0
30 0 0
31 0 0
32 0 0
33 0 0
34 0 0
35 0 0
36 0 0
37 0 0
38 0 0
39 0 0
40 0 0
41 0 0
42 0 0
43 0 0
44 0 0
45 0 0
46 0 0
47 0 0
48 0 0
49 0 0
50 0 0
51 0 0
52 0 0
Missing Rash Onset 0 0
Cases (year-to-date) 6 1

Geographic Distribution

There are currently four activeFigure 2 - Footnote * cases of measles in Canada, reported in British Columbia, the Edmonton region of Alberta, and the Eastern and Central East regions of Ontario (Figure 2).

While one case of rubella was recently reported, more than 32 days have elapsed since rash onset and it is no longer considered active.  As such, there are no reported active cases of rubella in Canada (figure not shown).

To date in 2016, measles cases have been reported in three Canadian provinces (British Columbia, Alberta, and Ontario), and a rubella case has been reported in one province (British Columbia).

Figure 2: Distribution of activeFigure 2 - Footnote *, confirmed measles cases by health region.Figure 2 - Footnote ¥Figure 2 - Footnote †

Figure 2
Figure 2 - 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 reportFootnote 2.

Return to Figure 2 - Footnote * referrer

Figure 2 - Footnote 2

'No Data' is indicated for jurisdictions that do report cases of measles to the Public Health Agency of Canada, but do not include the public health region variable.

Return to Figure 2 - Footnote ¥ referrer

Figure 2 - Footnote 3

One measles case has been reported by British Columbia, but is excluded from this figure.

Return to Figure 2 - Footnote † referrer

Figure 2 - Text Description
Figure 2: Distribution of active Figure 2 Table - Footnote * confirmed measles cases by health region.
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 and Chaudières-Appalaches 0 0
Centre-du-Québec 0 0
Montréal and Laval 0 0
Ouest-du-Québec 0 0
Montérégie 0 0
Nord-Est 0 0
Ontario Central East 1 0
Ontario Central West 0 0
Ontario Eastern 1 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 1 0
North Zone 0 0
British Columbia Interior No data 0
British Columbia Fraser No data 0
British Columbia Vancouver Coastal No data 0
British Columbia Vancouver Island No data 0
British Columbia Northern No data 0
Yukon 0 0
Northwest Territories 0 0
Nunavut 0 0
Figure 2 Table - Footnote *

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.

Return to Figure 2 Table - Footnote * referrer

Laboratory Summary

Measles

To date in 2016, 2 measles cases have been genotyped and the genotypes were B3 (n=1) and D8 (n=1) (Figure 3).

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).

Figure 3
Figure 3 - Footnote †

Epidemiological weeks for laboratory specimens are assigned in accordance with WHO guidelines (WHO.WER.2012;9(87):73) with week 1 beginning on the first Monday of the year.

Retour à la référence Figure 3 - Note de bas de page † referrer

Figure 3 - Text Description
Figure 3: Distribution of measles genotypes detected in 2016 (n=2) by week Figure 3 Table - Footnote † of rash onset (if available, n=2) or specimen collection (n=0).
Epi week B3 B3 - Harare D4 D8 D8 - Taunton D9 H1 Total
1 1 0 0 0 0 0 0 1
2 0 0 0 0 0 0 0 0
3 0 0 0 1 0 0 0 1
4 0 0 0 0 0 0 0 0
5 0 0 0 0 0 0 0 0
6 0 0 0 0 0 0 0 0
7 0 0 0 0 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 0 0 0 0 0
11 0 0 0 0 0 0 0 0
12 0 0 0 0 0 0 0 0
13 0 0 0 0 0 0 0 0
14 0 0 0 0 0 0 0 0
15 0 0 0 0 0 0 0 0
16 0 0 0 0 0 0 0 0
17 0 0 0 0 0 0 0 0
18 0 0 0 0 0 0 0 0
19 0 0 0 0 0 0 0 0
20 0 0 0 0 0 0 0 0
21 0 0 0 0 0 0 0 0
22 0 0 0 0 0 0 0 0
23 0 0 0 0 0 0 0 0
24 0 0 0 0 0 0 0 0
25 0 0 0 0 0 0 0 0
26 0 0 0 0 0 0 0 0
27 0 0 0 0 0 0 0 0
28 0 0 0 0 0 0 0 0
29 0 0 0 0 0 0 0 0
30 0 0 0 0 0 0 0 0
31 0 0 0 0 0 0 0 0
32 0 0 0 0 0 0 0 0
33 0 0 0 0 0 0 0 0
34 0 0 0 0 0 0 0 0
35 0 0 0 0 0 0 0 0
36 0 0 0 0 0 0 0 0
37 0 0 0 0 0 0 0 0
38 0 0 0 0 0 0 0 0
39 0 0 0 0 0 0 0 0
40 0 0 0 0 0 0 0 0
41 0 0 0 0 0 0 0 0
42 0 0 0 0 0 0 0 0
43 0 0 0 0 0 0 0 0
44 0 0 0 0 0 0 0 0
45 0 0 0 0 0 0 0 0
46 0 0 0 0 0 0 0 0
47 0 0 0 0 0 0 0 0
48 0 0 0 0 0 0 0 0
49 0 0 0 0 0 0 0 0
50 0 0 0 0 0 0 0 0
51 0 0 0 0 0 0 0 0
52 0 0 0 0 0 0 0 0
Total 1 0 0 1 0 0 0 2
Figure 3 Table - Footnote †

Epidemiological weeks for laboratory specimens are assigned in accordance with WHO guidelines (WHO.WER.2012;9(87):73) with week 1 beginning on the first Monday of the year.

Return to Figure 3 Table - Footnote † referrer

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.

Rubella

No genotype information is currently available for the rubella case reported in 2016.

Footnotes

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