The mosquito batch was collected on May 9 in Rockford by the Winnebago County Health Department and tested positive for the virus on May 12.

Two dead crows collected in Lemon Grove tested positive for West Nile virus, prompting county environmental health officials ...

Two dead crows collected in Lemon Grove tested positive for West Nile virus, marking the first detections of the virus ...

LEMON GROVE, Calif. (FOX 5/KUSI) — San Diego County officials say two dead crows found in Lemon Grove tested positive for ...

West Nile virus is mainly a bird disease, but it can be transmitted to humans by several types of mosquitoes if they feed on an infected bird and then bite people.

West Nile virus has been detected in San Diego County after two dead crows found in Lemon Grove tested positive.

Two crows in San Diego tested positive for West Nile virus, prompting health officials to urge preventative measures.

May 16, 2025 (Lemon Grove) -- Two dead crows recently collected in routine monitoring from Lemon Grove tested positive for ...

However, West Nile virus remains a potentially deadly threat. And County officials said people should continue to follow the ...