Add Yahoo as a preferred source to see more of our stories on Google. The ugly head of COVID-19 is rearing once again as children return to school. Both are contagious respiratory illnesses, but they ...

The federal government's disease-tracking agency has paused its diagnostic testing for rabies, monkeypox, and a number of other infectious diseases. The CDC this week posted a list of more than two ...

As summer heats up, a new set of COVID variants is fueling an uptick in cases and emergency room visits across much of the country. The series of COVID strains, nicknamed the "FLiRT" variants, are ...

The ugly head of COVID-19 is rearing once again as children return to school. COVID-19 symptoms may appear 2-14 days after exposure to the virus, and may start mild, according to the CDC. Some people ...