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Isolated, but more severe cases of West Nile have occurred this year and doctors believe the virus may be mutating.
Virginia health officials are reporting the state's first human West Nile virus death this year.
It's a war out there - a battle against the mosquitoes carrying the dreaded West Nile virus.
Virginia has recorded its first two human West Nile virus cases of 2012.
An adult in central Maryland is the state's first person to contract West Nile virus and show symptoms of it in 2012.
Health officials in Norfolk and Virginia Beach are advising residents to take precautions after chickens tested positive for mosquito-borne illnesses.