Mask Mandate June 2024. Gavin newsom’s administration announced the new mandate will start wednesday, dec. Lifting the mask requirement for vaccinated people caught scientists off guard, experts say.

For five days afterward, the cdc recommends wearing a mask, keeping your distance from people, cleaning your indoor air with good ventilation, and practicing good hand. New covid variants are fueling hospitalizations and prompting some schools and hospitals to reinstate mask mandates.