A summer COVID-19 wave is spreading across California, according to public health experts.More than 12 percent of tests statewide at the end of August came back positive — double the rate of positive tests at the end of July, according to The Los Angeles Times.A similar increase shows nearly 13 percent of tests in San Diego County coming back positive, according to the county's Health and Human Services Agency.Meanwhile, several state governors are banding together to issue public health guidance amid turmoil at the Centers for Disease Control and Prevention.Also today, Florida announced plans to end all vaccine mandates across the state.We hear about the latest COVID-19 surge and how the politicization of public health institutions is affecting health care.Guest:Rebecca Fielding-Miller, associate professor of public health at UC San Diego