Natural disasters can lead to post-traumatic stress disorder in these groups, the report says. Longer-term problems like heat, drought and poor air quality can increase the risks of anxiety, depression, bipolar disorder, aggression, cognitive impairment and more.
The Culex mosquitoes carry the virus and are found across California, according to the state's public health department. In June, officials confirmed three dead birds were infected with West Nile in Simi Valley, Thousand Oaks, and Ventura.