PRESCOTT — Yavapai County health officials say test results from mosquitoes trapped on Aug. 4 confirm the presence of West Nile virus in the Cornville area.
Yavapai County Community Health Services officials said it's probably present in other county areas, but at relatively lower levels.
Public Health Protection Manager Brian Supalla said residents should be aware of the potential for being bitten by infected mosquitoes and take appropriate precautions.
West Nile virus can spread to humans through bites from mosquitoes that have fed on infected birds.
The Centers for Disease Control and Prevention estimates that 20 percent of those infected will feel mild flulike symptoms,
Health officials said a small percentage of people infected with West Nile virus will experience severe symptoms, require hospitalization, and potentially die from complications.