Dossier
Culex mosquitoes
Coverage of Culex mosquitoes in the Nexus archive.
- First human case of West Nile virus in Orange County confirmed, health officials say
The first human case of West Nile virus in Orange County this year has been confirmed in an Anaheim resident. The virus is transmitted by Culex mosquitoes, which contract it from infected birds, and health officials warn of an intense WNV season due to multiple positive mosquito detections.