A pedestrian removes a protective mask worn as a precaution against the spread of the coronavirus in Philadelphia, Wednesday, March 2, 2022. People in Philadelphia could be excused if they felt a sense of whiplash Friday, April 22, 2022 as the city abandoned its indoor mask mandate just days after becoming the first big U.S. city to reimpose compulsory masking in response to an increase in COVID-19 cases and hospitalizations. (AP Photo/Matt Rourke, File)