Deadly virus now spreads to crows in San Diego — as officials issue warning
West Nile virus has been detected in two dead crows in San Diego County, following its earlier identification in a mosquito. Although there are currently no reported human cases, officials warn that this is an early indication of the virus's activity this year. Residents are advised to take precautions against mosquito bites and to report any dead birds.
- ▪West Nile virus was found in two dead crows in Southern California.
- ▪The virus was previously detected in a mosquito a week prior.
- ▪San Diego County officials have not reported any human cases so far.
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Metro Deadly virus now spreads to crows in San Diego — as officials issue warning By Ross O'Keefe Published June 4, 2026, 2:53 p.m. ET See more of our coverage in your search results. Add The California Post on Google West Nile virus has been found in two dead crows in Southern California, officials have revealed — a week after it was detected in a mosquito. San Diego County officials detected the new cases in Rolando in East County and near Encanto and North Bay Terraces. While there are no current human cases reported, the county says it is among the earliest signs of the virus’s activity in the region this year. 4 West Nile virus has been found in two dead crows in Southern California — a week after it was detected in a mosquito.
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