coronavirus January 27, 2021 8:16 am CDC Provides Updates on COVID-19 Variants Director of the Centers for Disease Control and Prevention Dr. Rochelle Walensky provides an update on COVID-19 variants found in the U.S. US & World Videos 1:58 New XEC COVID-19 variant starting to spread overseas 4:02 Updated COVID vaccines coming 3:12 California experiencing COVID summer surge 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