""It's a virus that mainly, or primarily affects birds. Dead birds are usually the first indicator that it's circulating." - Judy Pierce, Alameda County Mosquito Abatement District spokesperson."
""Humans are really getting impacted more on an accidental basis. We're dead ends for the virus." - Shannon Bennett, chief of science and virologist at the California Academy of Sciences."
""Mosquitoes need water for their life cycle. For those two [first] stages, larva and pupa, they need to be in water. Mosquitoes need to swim before they can fly." - Judy Pierce."
""Recent stretches of rain followed by warm temperatures can create ideal breeding conditions for mosquitoes, which rely on standing water." - Shannon Bennett."
Two American crows in Newark and San Jose tested positive for West Nile virus, indicating the first detection in the Bay Area for the year. The virus primarily affects birds and is monitored through bird deaths. West Nile virus is endemic in California, cycling between birds and mosquitoes, with humans and horses being incidental hosts. No human cases or virus in mosquito pools have been reported in 2026, but environmental conditions influence mosquito populations and transmission.
Read at SFGATE
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