A key US Food and Drug Administration official responsible for vaccines is departing at the end of April. Vinay Prasad faced criticism for health policy decisions, particularly concerning Covid-19 ...
Editor’s Note: The event was originally scheduled for Dec. 11, 2025. Since the COVID-19 pandemic, support for vaccines has become less stable, more polarized. Health Secretary Robert F. Kennedy, Jr.
There are different types of vaccines, and each behave differently within the body. Whole-virus vaccines help your immune system via one of two mechanisms.