December 21, 2021 The California Department of Public Health mask mandate is in effect until January 15, 2022.(link is external) The first cases of illness caused by SARS-CoV-2 Omicron variant have been identified in the last week in Orange County, including at least one case that was acquired locally. Omicron case counts are rising in Southern California and around the country. Omicron has been shown to be very efficient at transmission with a doubling time of ~2-3 days compared to ~14 days for the Delta variant.(link is external)
