Stories by William Petri

William Petri is a professor of medicine at the University of Virginia.

New York Polio Case Revives Questions about Live Oral Vaccine

An unvaccinated person became infected with the virus, which can be traced to a live, weakened virus commonly used in the oral polio vaccine abroad

An infectious disease doctor answers questions about the CDC’s and FDA’s decision to pause the vaccine’s use over a possible link with blood clots