Emily Martin, a professor of epidemiology at the University of Michigan School of Public Health, said in an interview that she agrees “100 percent” that there should be more data on the age 50 to 64 ...

The Food and Drug Administration will permit Covid vaccines for adults over 65 and those with certain medical conditions in the fall, according to new regulatory standards detailed on Tuesday by agen...

Public health experts say that there is no certainty on which strains are going to be dominant.