Rare but dangerous blood clotting associated with that vaccine as well as AstraZeneca’s had a genetic cause, according to a new paper.

In a winter marked by flu outbreaks, the persistence of Covid-19, and surges of measles cases across the United States, an Annenberg survey finds that a sizable majority of Americans think the three ...

Walensky is a professor at Harvard Medical School and served as the 19th director of the Centers for Disease Control and Prevention. Once clinical trials showed that Covid-19 vaccines were safe and ...

Millions of dollars in cuts to vaccine technology. Canceled research. Mass resignations at the Centers for Disease Control and Prevention. Overhauled health councils and ever-changing guidelines that ...