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West Nile Virus MONITOR 2002
Human West Nile Virus Clinical Cases and Asymptomatic Infections in Canada: 2002 |
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| Province/Territory | Neurological Syndrome5 |
Non- Neurological Syndrome5 |
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 |
0 |
0 |
0 |
0 |
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| Nova Scotia | 0 |
0 |
0 |
0 |
0 |
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| New Brunswick | 0 |
0 |
0 |
0 |
0 |
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| Quebec | 16 |
0 |
4 |
20 |
0 |
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| Ontario1 | 243 |
18 |
133 |
3943 |
0 |
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| Manitoba | 0 |
0 |
0 |
0 |
0 |
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| Saskatchewan | 0 |
0 |
0 |
0 |
0 |
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| Alberta | 0 |
0 |
0 |
0 |
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 | 259 |
18 |
137 |
414 |
0 |
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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 In 2002, WNV Non-Neurological Syndrome was called West Nile Fever (WNF); WNV Neurological Syndrome was called WNV encephalitis including aseptic meningitis and encephalitis. |
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