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Measles & Rubella Weekly Monitoring Report: May 10 to May 16, 2015 (week 19)

Key Points

  • In Canada, during week 19, no new cases of measles were reported in Canada for 2015.
  • A total of 194 cases of measles, and 0 cases of rubella have been reported in Canada for 2015.

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Public Health Agency of Canada
Date published: 2015-05-27

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Epidemiological Summary

Figure 1. Number of cases of measles (n=194) 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 May 16, 2015.

Figure 1
Figure 1 - Text Description
Figure 1. Number of cases of measles (n=194) 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 May 16, 2015.
Epidemiological Week of Rash Onset, 2015 Number of confirmed measles cases reported Number of confirmed rubella cases reported
1 0 0
2 1 0
3 3 0
4 12 0
5 2 0
6 13 0
7 16 0
8 15 0
9 87 0
10 12 0
11 17 0
12 4 0
13 8 0
14 1 0
15 2 0
16 0 0
17 1 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) 194 0

During epidemiological week 19, 2015, no new cases of measles were reported.

Recent measles activity reported prior to week 19 includes an imported case in Quebec, linked to travel to Ethiopia.

The year-to-date total is 194 cases of measles and 0 cases of rubella for 2015.

Note that when additional cases are reported in advance of the cycle, these cases will be described in the appropriate reporting cycle.

Geographic Distribution

Figure 2: Distribution of confirmed measles and rubella cases by health region. Cases are included if they are considered activeFigure 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 1.

Return to Figure 2 - Footnote * referrer

Figure 2 - Footnote 2

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

Return to Figure 2 - Footnote ¥ referrer

Figure 2 - Text Description
Figure 2: Distribution of confirmed measles and rubella cases by health region. Cases are included if they are considered active Table Figure 2 - Footnote * Table Figure 2 - Footnote ¥
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 1 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 Interior No Data No Data
British Columbia Fraser No Data No Data
British Columbia Vancouver Coastal No Data No Data
British Columbia Vancouver Island No Data No Data
British Columbia Northern No Data No Data
Yukon 0 0
Northwest Territories 0 0
Nunavut 0 0
Table 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 report

Return to Table Figure 2 - Footnote * referrer

Table Figure 2 - Footnote 2

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

Return to Table Figure 2 - Footnote ¥ referrer

Laboratory Summary

Measles

To date in 2015, 54 measles cases have been genotyped and the genotypes were: B3 (n=22), D4 (n=17), H1 (n=11) and D8 (n=4).

One case from Quebec, related to travel to Ethiopia, was genotype B3 which is endemic in the African regionFootnote 2.

Figure 3: Distribution of measles genotypes detected in 2015 (n=54) by week of rash onset (if available, n=54) or specimen collection (n=0). Epidemiological weeks are assigned in accordance with WHO guidelines (WHO.WER.2012;9(87):73) with week 1 beginning on the first Monday of the year.

Figure 3

* Genotype B3 sequences identical to sequence variant MVi/Harare.ZWE/38.09 (GenBank accession number JF973033)

Figure 3 - Text Description
Figure 3: Distribution of measles genotypes detected in 2015 cases by week of rash onset (if available) or specimen collection. Epidemiological weeks are assigned in accordance with WHO guidelines (WHO.WER.2012;9(87):73) with week 1 beginning on the first Monday of the year.
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 1 1 0 0 0 0 2
4 0 4 7 0 0 0 0 11
5 0 0 1 1 0 0 0 2
6 0 0 7 0 0 0 0 7
7 0 1 1 0 0 0 0 2
8 0 3 0 0 0 0 0 3
9 0 10 0 0 0 0 0 10
10 0 0 0 1 0 0 0 1
11 0 1 0 0 0 0 2 3
12 0 0 0 0 0 0 1 1
13 0 0 0 1 0 0 7 8
14 0 0 0 0 0 0 1 1
15 1 0 0 1 0 0 0 2
16 0 0 0 0 0 0 0 0
17 1 0 0 0 0 0 0 1
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 2 20 17 4 0 0 11 54

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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