In addition to those 19 cases, there are 67 cases of West Nile virus confirmed in animals. To date, 144 mosquito testing pools across the state have shown active signs of West Nile virus.

(BCN) — New signs of West Nile virus have surfaced this week in Contra Costa County, the Mosquito and Vector Control District ...

Severe infection with West Nile virus is a spreading problem worldwide ... 93% of participants given the vaccine candidate developed signs of an immune response (Proc. Natl. Acad.