West Nile Virus
*West Nile Virus ... Nile virus occurs all over the U.S. But most mosquitoes don't carry the virus. And most people who ... happens after the mosquito bites a bird infected with West Nile virus and then bites a human. West ... 89207;west nile virus;virus, west nile;west nile virus, spread;west nile virus, symptoms;west nile ... virus, diagnosis;west nile virus, treatment;west nile virus, prevention