Newborns of mothers vaccinated against pertussis (whooping cough) during pregnancy have antibodies not only in their blood ...

A European medical regulator says it has found a possible link to the cause of the extremely rare blood clot disorder, tied to the Johnson and Johnson vaccine. It's the potential finding that medical ...

The head of the Department of Health and Human Services has spent decades promoting vaccine skepticism and has now revamped the US childhood immunization schedule to have one-third fewer recommended ...

Hepatitis B is a virus that can damage the liver and lead to lifelong health problems. The hepatitis B vaccine prevents short ...

The Johnson & Johnson COVID-19 vaccine remains on pause due to concerns over several rare blood-clotting cases that have developed in a handful of people who have received the vaccine, but scientists ...

CHICAGO/LONDON (Reuters) - With two COVID-19 vaccines now under scrutiny for possible links to very rare cases of blood clots in the brain, U.S. government scientists are focusing on whether the ...