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West Nile Virus Infection in Canada

30 August 2012

As of 22 Aug 2012, 49 confirmed and probable cases of West Nile virus infection have been reported in Ontario, of which 30 cases occurred in Toronto. Four other provinces have also reported cases, including Alberta (1), Manitoba (5), Saskatchewan (1) and Quebec (2).

(Via CBNnews - accessed 30/08/12)

Advice for Travellers

West Nile virus infection is transmitted by Culex mosquitoes which bite mainly from dusk to dawn. Reservoir hosts are usually birds. Most infections are asymptomatic and severe infection is rare. West Nile virus infection is rarely reported in travellers. Risk is greatest in those undertaking outdoor activities. Travellers should take precautions to prevent mosquito bites especially during summer months.