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West Nile Virus in United States (Update)

07 November 2012

As of 30 Oct 2012, 4891 cases of West Nile virus with 223 deaths have been reported. Texas has accounted for approximately a third of all cases, with 1665 cases and 75 deaths.

(Via CDC - accessed 07/11/12)

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.