Numerous states recently began reopening their economies, which might be driving some of the youthful bias, said Natalie Dean, an infectious disease epidemiologist in Florida, where new cases are hitting record highs. People in their 20s and 30s have returned to bars and beaches; working-age employees have resumed jobs that cannot be done from home.
“We know that’s high-risk,” Dr. Dean said. “We’re hearing a lot of reports of clusters being linked to these places” as they open back up.
At the same time, elderly individuals, as well as those with underlying health conditions thought to exacerbate Covid-19, may be warier of exposure, said C. Brandon Ogbunu, a computational biologist and disease ecologist at Yale University. “Early on, this disease ripped through older populations with such aggression,” he said. “It’s possible that’s where the message was felt the most strongly.”
Moreover, nursing homes and other facilities that harbor vulnerable populations