On July 16 the Bay Area Health Officers, including Alameda and Contra Costa Counties recommended for everyone to wear masks indoors regardless of vaccination status due to rising case rates. The Alameda County press release on the recommendation can be downloaded here. While the recommendation focuses on indoor masking, masking is also recommended for everyone in crowded outdoor settings.
Masks are required for unvaccinated people in indoor public settings and for everyone on public transport, schools, childcare, healthcare, correctional and shelter settings. Our updated infographics below are based on the updated Bay Area guidance, California guidance and CDC guidance.