Officials say they've found some new signs of West Nile virus in Contra Costa County, as groups of infected mosquitos were found in some traps in Oakley and Martinez. This comes as the virus also seems to be spreading across the country, with officials in Boston saying the region is now at a high risk for infection.
For more on this, KCBS Radio's Margie Shafer and Eric Thomas were joined by Dr. Daniel Pastula, Neurology and infectious diseases professor at the University of Colorado Anschutz Medical Campus.
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