SANTA CLARA, Calif.—Public health officials in nine jurisdictions across the Bay Area have announced official criteria for lifting COVID-19 indoor mask requirements. The officials made the announcement on Oct. 7. The counties of Alameda, Contra Costa, Marin, Napa, San Francisco, San Mateo, Santa Clara, and Sonoma, as well as the City of Berkeley, cited the decline in COVID-19 cases in the region. The counties and city agreed to lift the mask requirements in indoor public spaces when all three of the following conditions are met: The jurisdiction achieves the moderate (yellow) COVID-19 tier defined by the Centers for Disease Control and Prevention and stays there for at least three weeks. The health officer judges that COVID-19 hospitalizations are low and stable in the jurisdiction. 80 percent of the jurisdiction’s population is vaccinated with two doses of Pfizer or Moderna or one dose of Johnson & Johnson, or eight weeks have …