The dramatic decrease in COVID-19 instances is acknowledged in California's Revised Mask Guidance (2/28/2022). However, the advice also makes it clear that face masks will continue to be essential for everyone in the following situations, regardless of whether they have had their vaccinations
- Locations for health care, such as dentist offices.
- Public transportation, such as trains, buses, airlines, and ride-sharing services.
- Indoors in schools.
- Prisons at the federal, state, and local levels.
- Homes for the homeless.
- Adult care institutions and settings.
- Emergency shelters.