The Butte County Health Department is reporting 3 new human West Nile Virus cases. Authorities say one person was hospitalized in serious condition with a West Nile Virus brain infection. The new cases live in Chico and the south county area. So far, sixteen different counties in the state have reported human cases of West Nile this year. The Health Department is telling local residents to ramp up mosquito prevention efforts for the next few months.