Human West Nile Virus Clinical Cases and Asymptomatic Infections in Canada: 2005 |
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Province/Territory | Neurological Syndrome |
Non- Neurological Syndrome |
Unclassified / Unspecified |
Total2 |
Asymptomatic Infection4 |
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Newfoundland and Labrador | 0 |
0 |
0 |
0 |
0 |
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Prince Edward Island | 0 |
1 |
0 |
15 |
0 |
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Nova Scotia | 0 |
1 |
0 |
15 |
0 |
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New Brunswick | 0 |
1 |
0 |
15 |
0 |
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Quebec | 3 |
1 |
0 |
4 |
1 |
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Ontario1 | 27 |
68 |
0 |
953 |
6 |
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Manitoba | 11 |
41 |
3 |
55 |
3 |
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Saskatchewan | 6 |
51 |
1 |
583 |
3 |
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Alberta1 | 2 |
8 |
0 |
103 |
0 |
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British Columbia | 0 |
0 |
0 |
0 |
0 |
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Yukon | 0 |
0 |
0 |
0 |
0 |
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Northwest Territories | 0 |
0 |
0 |
0 |
0 |
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Nunavut | 0 |
0 |
0 |
0 |
0 |
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Total2 | 49 |
172 |
4 |
225 |
13 |
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1 These totals include both probable and confirmed WNV cases. 2 Total clinical cases is the sum of WNV Neurological Syndrome + WNV Non-Neurological Syndrome + WNV Unclassified/Unspecified. 3 These totals include some cases related to travel outside the province/ territory. 4 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. 5 All related to travel outside the province/ territory. |