CLINICAL MEDICINE

Detailed explanation-1: -Mosquitoes of the genus Culex are generally considered the principal vectors of WNV, in particular Cx. Pipiens. WNV is maintained in mosquito populations through vertical transmission (adults to eggs). Birds are the reservoir hosts of WNV.

Detailed explanation-2: -West Nile virus is spread by the Culex species of mosquito. The main vector species in the U.S. are Culex pipiens, Culex tarsalis, and Culex quinquefasciatus. These mosquitoes typically feed from evening to morning.

Detailed explanation-3: -West Nile virus is most commonly spread to people by the bite of an infected mosquito. Mosquitoes become infected when they feed on infected birds. Infected mosquitoes then spread West Nile virus to people and other animals by biting them.

Detailed explanation-4: -West Nile virus (WNV) is the leading cause of mosquito-borne disease in the continental United States. It is most commonly spread to people by the bite of an infected mosquito. Cases of WNV occur during mosquito season, which starts in the summer and continues through fall.

Detailed explanation-5: -What is West Nile virus? West Nile Virus (WNV) Disease is spread by the bite of a mosquito infected with the virus. Mosquitoes become infected when they feed on infected birds. The infected mosquitoes can then spread the virus to humans and other animals.