Health and Human Services Secretary Robert F. Kennedy Jr. is intensifying his controversial claims about the MMR vaccine, inaccurately stating it contains “aborted fetus debris” during a NewsNation ...

More U.S. children have died this flu season than at any time since the swine flu pandemic 15 years ago, according to a federal report released Friday.

A vaccinated girl in Kerala develops rabies symptoms after dog bite; remains critical on ventilator, raising public health ...