2024-01-19 21:12:35
Measles and Rubella Weekly Surveillance Report – Week 1: December 31, 2023 to January 6, 2024 – Canada.ca
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Main points:
In Canada, no new cases of measles or rubella were reported in week 1 of 2024. Currently, there are 2 active cases of measles and 1 active case of congenital rubella syndrome in Canada . No cases of measles or rubella have been reported in Canada in 2024. Canadians traveling outside of Canada are encouraged to consult the travel health advisories for more information on measles and rubella outbreaks in other countries.
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Epidemiological summary
During the epidemiological week 1 of 2024, no new cases of measles or rubella have been reported in CanadaFootnote 2. To date, in 2024, no cases of measles or rubella have been reported. The last case of measles was reported in December 2023. The last case of rubella was reported in September 2023. The last case of congenital rubella syndrome/infection was reported in August 2023.
Figure 1: Number of cases of measles (n=0), rubella (n=0) and congenital rubella syndrome (n=0)Footnote 3, by week of rash onset, in accordance with reports submitted to the Canadian Measles and Rubella Surveillance System (CMRS) and the Measles and Rubella Surveillance System (MARS), for the period ending January 6, 2024.
Figure 1 – Text equivalent Epidemiological week of rash onset, 2024 Reported number of confirmed measles cases Reported number of confirmed rubella cases Reported number of confirmed cases of congenital rubella syndrome/infection 1 0 0 0 2 0 0 0 3 0 0 0 4 0 0 0 5 0 0 0 6 0 0 0 7 0 0 0 8 0 0 0 9 0 0 0 10 0 0 0 11 0 0 0 12 0 0 0 13 0 0 0 14 0 0 0 15 0 0 0 16 0 0 0 17 0 0 0 18 0 0 0 19 0 0 0 20 0 0 0 21 0 0 0 22 0 0 0 23 0 0 0 24 0 0 0 25 0 0 0 26 0 0 0 27 0 0 0 28 0 0 0 29 0 0 0 30 0 0 0 31 0 0 0 32 0 0 0 33 0 0 0 34 0 0 0 35 0 0 0 36 0 0 0 37 0 0 0 38 0 0 0 39 0 0 0 40 0 0 0 41 0 0 0 42 0 0 0 43 0 0 0 44 0 0 0 45 0 0 0 46 0 0 0 47 0 0 0 48 0 0 0 49 0 0 0 50 0 0 0 51 0 0 0 52 0 0 0
Cases since the start of the year
0
0
0
Geographical distribution
Currently, there are 2 active casesFootnote* of measles and 1 active caseFootnote** of congenital rubella syndrome in Canada.
Figure 2: Distribution of active casesFootnote * confirmed measles, by health region
Figure 2 – Text Equivalent Health Region Active Measles Cases East 0 Central 0 West 0 Labrador-Grenfell 0 Prince Edward Island 0 Southern Health Unit 0 Southwestern Health Unit 0 Annapolis Valley Health Unit 0 Health Unit Colchester East Hants 0 Cumberland Health Unit 0 Pictou Health Unit 0 Guysborough Health Unit Antigonish Strait 0 Cape Breton Health Unit 0 Capital Health Unit 0 Zone 1 (NB) 0 Zone 2 (NB) 0 Zone 3 (NB) 0 Zone 4 ( NB) 0 Zone 5 (NB) 0 Zone 6 (NB) 0 Zone 7 (NB) 0 Quebec and Chaudière-Appalaches 0 Centre-du-Québec 0 Montréal and Laval 0 Ouest-du-Québec 0 Montérégie 0 Nord-Est 0 Center -Eastern Ontario 0 West-Central Ontario 0 Eastern Ontario 0 Northeastern Ontario 0 Northwestern Ontario 0 Southwestern Ontario 1 City Health Unit of Toronto 0 Winnipeg Health Unit 0 Prairie Mountain Health Unit 0 Interlake-Eastern Health Unit 0 North Health Unit 0 South Health 0 South Saskatchewan 0 Central Saskatchewan 0 North Saskatchewan 0 South Zone 0 Calgary Zone 1 Central Zone 0 Edmonton Zone 0 North Zone 0 Colombia -British 0 Yukon 0 Northwest Territories 0 Nunavut 0
Figure 3: Distribution of active casesFootnote** confirmed congenital rubella syndrome/infection, by health region
Figure 3 – Text Equivalent Health Region Active Measles Cases East 0 Central 0 West 0 Labrador-Grenfell 0 Prince Edward Island 0 Southern Health Unit 0 Southwestern Health Unit 0 Annapolis Valley Health Unit 0 Health Unit Colchester East Hants 0 Cumberland Health Unit 0 Pictou Health Unit 0 Guysborough Health Unit Antigonish Strait 0 Cape Breton Health Unit 0 Capital Health Unit 0 Zone 1 (NB) 0 Zone 2 (NB) 0 Zone 3 (NB) 0 Zone 4 ( NB) 0 Zone 5 (NB) 0 Zone 6 (NB) 0 Zone 7 (NB) 0 Quebec and Chaudière-Appalaches 0 Centre-du-Québec 0 Montréal and Laval 0 Ouest-du-Québec 0 Montérégie 0 Nord-Est 0 Center -Eastern Ontario 0 West-Central Ontario 0 Eastern Ontario 0 Northeastern Ontario 0 Northwestern Ontario 0 Southwestern Ontario 0 City Health Unit of Toronto 0 Winnipeg Health Unit 0 Prairie Mountain Health Unit 0 Interlake-Eastern Health Unit 0 North Health Unit 0 South Health 0 South Saskatchewan 1 Central Saskatchewan 0 North Saskatchewan 0 South Zone 0 Calgary Zone 0 Central Zone 0 Edmonton Zone 0 North Zone 0 Colombia -British 0 Yukon 0 Northwest Territories 0 Nunavut 0 Footnote *
Active cases of measles are those for which the case’s rash onset date occurs within 42 days before the end date of the epidemiological weekFootnote 5. Active cases of rubella are those for which the date of onset of the case’s rash occurs within 46 days before the end date of the epidemiological weekFootnote 6.
Return to footnote reference *
Footnote **
Infants with CRS are considered contagious until they are at least one year old or until two clinical samples obtained one month apart are negative for rubella virus by RT-PCR, real-time or conventional; culture is also acceptable.
Return to footnote reference **
Footnotes
Footnote 1
Active measles cases are those for which the date of onset of the case’s rash occurs within 42 days before the end date of the epidemiological week. Active rubella cases are those for which the date of onset of the case’s rash occurs within 46 days before the end date of the epidemiological week.
Return to footnote 1 reference
Footnote 2
Only cases where rash onset occurred before the stated end date are included in this report. Additional cases will be described in subsequent reports.
Return to footnote 2 reference
Footnote 3
Epidemiological week of birth is used for cases of congenital rubella syndrome/infection.
Return to footnote 3 reference
Footnote 4
The Centers for Disease Control and Prevention. Manual for the Surveillance of Vaccine-Preventable Diseases. Chapter 7: Measles. Page last reviewed: May 13, 2019. (available in English only)
Return to footnote 4 reference
Footnote 5
The Centers for Disease Control and Prevention. Manual for the Surveillance of Vaccine-Preventable Diseases. Chapter 14: Rubella. Page last reviewed: May 18, 2018. (available in English only)
Return to footnote 5 reference
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2024-01-19
1706054667
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