In U.S. counties without mask requirements last year, or in which restaurants reopened, infections and death rates rose.In U.S. counties without mask requirements last year, or in which restaurants reopened, infections and death rates rose.your-feed-science, Coronavirus Risks and Safety Concerns, Workplace Hazards and Violations, Coronavirus (2019-nCoV), Deaths (Fatalities), Restaurants, Vaccination and Immunization, Coronavirus Reopenings, Hygiene and Cleanliness, Centers for Disease Control and Prevention, Biden, Joseph R Jr, Connecticut, New York City, United States, Heating, Ventilation and Cooling (HVAC), ResearchRead More