In This Section

Topics

West Nile Virus - Ontario Equine Cases 2002

Author: Dr. Paul Innes - Veterinary Scientist, Epidemiology/OMAFRA
Creation Date: February 2003
Last Reviewed: February 2003

Summary of laboratory-diagnosed Ontario WNV cases submitted through the Animal Health Laboratory, University of Guelph and Michigan State University diagnostic laboratory

West Nile Virus Surveillance-Horses (as of Dec 31, 2002)

Region

Date of first case

Date of last case

Status

Hamilton-Wentworth

Aug 22/02

Oct 1/02

3 confirmed

York

Aug 26/02

Sept 10/02

4 confirmed

Niagara

Aug 29/02

Oct 25/02

12 confirmed

Haldimand-Norfolk

Sept 9/02

Oct 18/02

9 confirmed

Toronto
 Sept 4/02 Sept 19/02 6 confirmed
Halton
Sept 10/02 Oct 4/02 4 confirmed

Waterloo

Sept 9/02

Nov 19/02

4 confirmed
1 probable

Wellington

Sept 26/02

 

1 confirmed

Parry Sound-Muskoka

Oct 16/02

 

1 confirmed

Northwestern

Sept 3/02

Oct 2/02

1 confirmed
1 probable

Ottawa

Sept 16/02

 

1 confirmed

Perth

Sept 20/02

 

1 confirmed

Oxford

Sept 17/02

Oct 23/02

2 confirmed
1 probable

Brant

Sept 24/02

Nov 14/02

4 confirmed

Middlesex

Sept 30/02

 

1 confirmed

Lambton

Sept 3/02

Oct 22/02

6 confirmed

Chatham-Kent

Sept 3/02

Sept 11/02

3 confirmed

Windsor-Essex

Aug 19/02

Nov 1/02

38 confirmed
3 probable

Total: 101 confirmed, 6 probable

West Nile Virus Surveillance - Equine Cases by County in 2002

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)

| Top of Page |

For more information:
Toll Free: 1-877-424-1300
Local: (519) 826-4047
E-mail: ag.info.omafra@ontario.ca