U.S. official says data show severe coronavirus infections among millennials, not just older Americans

A top health official on the White House’s coronavirus task force warned Wednesday that younger people could suffer severe health risks from Covid-19, the disease caused by the virus.

Most public health messaging so far has stressed that people who are older, whose immune systems are weakened, and who have underlying diseases are at higher risk of becoming critical cases. But during a briefing, Deborah Birx, the official, cited preliminary data from Europe to caution