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West Nile Virus MONITOR

2008 Human Surveillance

During the West Nile virus season, the Public Health Agency of Canada (PHAC) updates this web site every Monday to reflect information reported to the PHAC by the provinces and territories. These tables include human West Nile Virus (WNV) cases and asymptomatic infections reported to the PHAC. For information on cases and asymptomatic infections currently under investigation, please refer to the specific provinces'/territories' Ministry of Health website.

Current Report Week and Year-To-Date Total* West Nile Virus Cases: 2008
Province/Territory
Week 42
October 12, 2008 - October 18 2008
Year to Date Total*
Newfoundland and Labrador 0 0
Prince Edward Island 0 0
Nova Scotia 0 0
New Brunswick 0 0
Quebec 0 2
Ontario 0 3
Manitoba 0 12
Saskatchewan 0 17
Alberta 0 1***
British Columbia 0 1***
Yukon 0 0
Northwest Territories 0 0
Nunavut 0 0
Canada 0 36

2008 Human West Nile Virus Cases and Asymptomatic Infections in Canada
(as of February 13, 2009)
Province/Territory
Neurological
Syndrome
Non-
Neurological
Syndrome
Unclassified/
Unspecified
Total *
Asymptomatic
Infection**
Newfoundland and Labrador 0 0 0 0 0
Prince Edward Island 0 0 0 0 0
Nova Scotia 0 0 0 0 0
New Brunswick 0 0 0 0 0
Quebec 1 0 1 2 1
Ontario 1 2 0 3 1
Manitoba 2 9 1 12 0
Saskatchewan 1 16 0 17 0
Alberta 0 1*** 0 1*** 0
British Columbia 0 1*** 0 1*** 0
Yukon 0 0 0 0 0
Northwest Territories 0 0 0 0 0
Nunavut 0 0 0 0 0
Canada 5 29 2 36 2

* Total probable and confirmed clinical cases is the sum of WNV Neurological Syndrome + WNV Non-Neurological Syndrome + WNV Unclassified/Unspecified

** Most asymptomatic infections reported to PHAC are identified through testing blood donors. Asymptomatic infections will not be included in the total.

*** All cases likely related to travel outside the province/territory

Case definitions can be accessed through the following link:
http://www.phac-aspc.gc.ca/wnv-vwn/hmncasedef-eng.php

For information on WNV activity in the United States please see:
1) Centers for Disease Control and Prevention (CDC) WNV table New Window
2) CDC WNV maps New Window