West Nile Virus Infects More Birds and Insects in Contra Costa County

KCBS Radio: On-Demand
Tuesday, August 21st
Contra Costa County health officials have detected a large increase in West Nile Virus infections. KCBS Radio's Bob Butler reports a number of mosquitoes, birds and chickens have tested positive in the past week alone. Residents are advised to take precautions when they go outdoors.  
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