What to Know About Indoor Gyms & COVID-19

That doesn’t mean gyms are safe, says Darren Dahly, an epidemiologist at University College Cork. Over the weeks of the study, Oslo was reporting only a handful of new cases per day, with a maximum of 24 in 1 day. That means people in the study were already at very low risk, he says—possibly too low for a meaningful difference to be detected between the two groups.