Group Workout Classes Linked to Coronavirus Infections

Researchers in South Korea were able to link 112 coronavirus cases with fitness dance classes taught at 12 different gyms

IJERPH, Free Full-Text

Which muscle groups to work out together, from beginner to advanced

Group Fitness Classes Will Be Different After Coronavirus

Can Regular Exercise Before COVID-19 Disease Upregulate ACE2 and Downregulate TMPRSS2 in Patient's Cells?

What's the Future of Group Exercise Classes? - The New York Times

CDC: COVID-19 Superspreader Outbreak Linked to Gym's High-Intensity Fitness Classes, Hartford HealthCare

MDHHS Epidemic Order - Michigan Recreation and Park Association

Heavier breathing, spewing droplets, poor ventilation add to gyms' superspreading risk

Metabolite, protein, and tissue dysfunction associated with COVID-19 disease severity

COVID-19 Outbreak Among Attendees of an Exercise Facility — Chicago, Illinois, August–September 2020