West Nile Virus MONITOR
Human Surveillance (2002 to 2005)
Province/Territory
|
Total Reported West Nile Virus Cases and Asymptomatic3 Infections by Year |
2002 |
2003 |
2004 |
2005 |
Newfoundland and Labrador |
|
0 |
0 |
0 |
Prince Edward Island |
|
0 |
0 |
11 |
Nova Scotia |
|
21 |
0 |
11 |
New Brunswick |
|
11 |
0 |
11 |
Quebec |
20 |
17 |
3 |
5 |
Ontario2 |
394 |
89 |
14 |
101 |
Manitoba |
|
143 |
3 |
58 |
Saskatchewan |
|
947 |
5 |
61 |
Alberta2 |
|
275 |
1 |
10 |
British Columbia |
|
201 |
0 |
0 |
Yukon |
|
11 |
0 |
0 |
Northwest Territories |
|
0 |
0 |
0 |
Nunavut |
|
0 |
0 |
0 |
Total |
414 |
1495 |
26 |
238 |
1 Related to travel outside the province/territory.
2 These totals include both probable and confirmed WNV cases.
3 Satisfies West Nile virus diagnostic test criteria IN THE ABSENCE of clinical criteria.This category could include asymptomatic blood donors whose blood is screened using a Nucleic Acid Amplification Test (NAT), by Blood Operators (i.e. Canadian Blood Services or Hema-Quebec) and is subsequently brought to the attention of public health officials. Blood Operators in Canada perform a supplementary WN virus-specific NAT following any positive donor screen test result.
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