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Published byWilla Bennett Modified over 9 years ago
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West Nile Virus – Ontario 2002 Ian K. Barker Canadian Cooperative Wildlife Health Centre Ontario Veterinary College University of Guelph
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West Nile Virus Transmission Cycle Avian reservoirs VIRUS - Dead - end hosts Mosquito vectors Culex species mainly Spill-over via bridging vectors VIRUS Amplification
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WNV Surveillance Method v.s. Virus Amplification in Nature
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Objective of Wild Bird Surveillance
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CCWHC Dead Bird Processing carcasses, sightings accession, dissection, specimen collection & shipment database: tracking, reporting, mapping, accounting
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WNV Dissemination by Migratory Birds 2000 - 2001? To Central and South America
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Aug 1, 2002 Aug 23, 2002 Sept. 7, 2002 WNV Explosion - 2002 Nov 1, 2002
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Index case – WNV in a dead crow – May 19, 2002
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