Many gyms and health clubs seem to be filling up again with people eager to return to their old routines and communities or get in shape for summer — at the same time that new omicron variants are pushing COVID infections up. So how safe is it to go back to the gym?
Put another way, how many microscopic aerosol particles are the other cyclists in your spin class breathing out into the room? How many is the runner on the nearby treadmill spewing forth? A small study about respiration and exercise published May 23 in the Proceedings of the National Academy of Sciences provides some rather startling answers.