MCQ IN MEDICINE

Detailed explanation-1: -The pathogen WNV is an enveloped positive-stranded ribonucleic acid (RNA) virus belonging to the Japanese encephalitis serocomplex (Flavivirus genus, Flaviviridae family) [6].

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 (Flaviviridae)☆ West Nile virus (WNV, Flaviviridae; Flavivirus) is currently the most widely distributed arbovirus in the world. It is maintained in nature in an enzootic cycle between ornithophilic mosquitoes and avian hosts.

Detailed explanation-4: -Because this illness is not caused by bacteria, antibiotics do not help treat West Nile virus infection. Standard hospital care may help decrease the risk of complications in severe illness.