coronavirus August 14, 2024 6:00 pm California experiencing COVID summer surge Raj Mathai speaks with UCSF infectious disease specialist Dr. Peter Chin-Hong on the summer COVID surge. US & World Videos 1:58 New XEC COVID-19 variant starting to spread overseas 4:02 Updated COVID vaccines coming 1:58 COVID summer surge: CDC data shows cases ‘very high' in California 2:23 Bay Area COVID-19 levels on the rise this summer 2:27 Summer surge? South Bay health officials keep close eye on COVID-19 concentrations