A new trial suggests a combination vaccine may offer equal or better protection against both flu and covid-19 compared to ...

Instead of a full-throated endorsement of vaccination, the nation’s top health official speaks to anti-vaccine forces as well, public health experts say.

Robert F. Kennedy Jr. has criticized companies making weight-loss drugs such as Ozempic. He has blamed America’s obesity crisis on people’s eating habits and said that if the U.S. supplied ...