2002 West Nile virus equine surveillance
Information on where West Nile virus was reported in the province in 2002.
Summary of laboratory-diagnosed Ontario WNV cases submitted through the Animal Health Laboratory, University of Guelph and Michigan State University diagnostic laboratory.
| Region | Date of first case | Date of last case | Status |
|---|---|---|---|
| Hamilton-Wentworth | August 22 | October 1 | 3 confirmed |
| York | August 26 | September 10 | 4 confirmed |
| Niagara | August 29 | October 25 | 12 confirmed |
| Haldimand-Norfolk | September 9 | October 18 | 9 confirmed |
| Toronto | September 4 | September 19 | 6 confirmed |
| Halton | September 10 | October 4 | 4 confirmed |
| Waterloo | September 9 | November 19 | 4 confirmed 1 probable |
| Wellington | September 26 | N/A | 1 confirmed |
| Parry Sound-Muskoka | October 16 | N/A | 1 confirmed |
| Northwestern | September 3 | October 2 | 1 confirmed 1 probable |
| Ottawa | September 16 | N/A | 1 confirmed |
| Perth | September 20 | N/A | 1 confirmed |
| Oxford | September 17 | October 23 | 2 confirmed 1 probable |
| Brant | September 24 | November 14 | 4 confirmed |
| Middlesex | September 30 | N/A | 1 confirmed |
| Lambton | September 3 | October 22 | 6 confirmed |
| Chatham-Kent | September 3 | September 11 | 3 confirmed |
| Windsor-Essex | August 19 | November 1 | 38 confirmed 3 probable |
Total: 101 confirmed, 6 probable
West Nile Virus Surveillance — Equine Cases by County in 2002
Figure 1. A map of Ontario showing the confirmed cases of west nile virus in horses by county.
Actual known locations of cases as follows:
- Hamilton-Wentworth (Dundas, Burlington)
- York (Aurora, Mt. Albert, Newmarket, Schomberg)
- Niagara (Niagara-on-the-lake, Fonthill, Ft. Erie, Wainfleet, Smithville, Wellandport)
- Haldimand (Dunnville, Cayuga, Waterford, Caledonia, Jarvis)
- Toronto (Woodbine, Toronto)
- Waterloo (Elmira, Kitchener, Waterloo, New Hamburg)
- Wellington (Ariss)
- Northwestern (Ft. Frances)
- Lambton (Wyoming, Sarnia, Bright's Grove, Sombra)
- Chatham-Kent (Chatham, Bleinheim)
- Windsor-Essex (Amherstburg, Oldcastle, Wheatley, Essex, Bell River, Tilbury)
- Halton (Oakville, Mohawk, Milton)
- Ottawa (Richmond)
- Perth (Bornholm)
- Oxford (Drumbo, Mt Elgin, Norwich)
- Brant (Burford, Paris, Ohsweken)
- Muskoka (Utterson)
- Middlesex (Strathroy)
Updated: January 08, 2025
Published: May 19, 2022