April 5, 2021 11:08 pm ‘Double Mutant' Variant Detected in California for First Time in U.S. Health experts are tracking a COVID-19 variant that’s been dubbed the Double Mutant and was detected in California, reports NBC 7’s Lauran Coronado. US & World Videos 1:07 UC San Diego scientists develop gel to attract baby coral, encourage reef growth 3:33 Gaylord Pacific invites guests to sprawling resort in Chula Vista for 1st time Friday 7:32 Navy dolphins help scientist discover nutrient that may be key to living longer 3:12 Salmonella outbreak at Aladdin Cafe grows to 98 probable, confirmed cases: County health dept. 2:55 Triplets to graduate from San Diego State on same day with same major, same honors