dropped its indoor mask mandate. Private businesses can still require mask-wearing and masks are still required on public transportation. "Instead of following a blanket mandate, residents, visitors, and workers will be advised to follow risk-based guidance from DC Health that accounts for current health metrics and a person's vaccination status," said a statement from Mayor Muriel Bowser's office last week.RELATED: DC lifts indoor mask mandate: Here’s where masks will still be required in the DistrictBut nearby Montgomery County, Maryland reinstated its mask mandate Saturday after seven days of what the U.S.