Great Sand Dunes National Park Once Again Requiring Masks Indoors

Michelle Barron, an infectious disease expert at UCHealth [and professor of medicine at CU School of Medicine], also pointed to the dropping temperatures as another catalyst. The recent winter weather has pushed more folks inside for longer, creating higher risk for contagion. “Respiratory viral season has begun, and it’s begun with a vengeance,” she said. “It’s what we see with the changing seasons, right?”