Author

William Petri

William Petri

William Petri is a Professor of Medicine, University of Virginia. He studies immunology and molecular pathogenesis of enteric infections and their consequences.

COMMENTARY

Johnson & Johnson vaccine suspension – what this means for you

By: - April 14, 2021

The Centers for Disease Control and Prevention and the Food and Drug Administration on April 13, 2021 halted use of the one-dose Johnson & Johnson COVID-19 vaccine that has been given to 6.8 million people in the U.S. The pause is due to reports of blood clotting in six people who have received the vaccine. […]

COMMENTARY

A doctor shares 7 steps he’ll review to decide when and where it’s safe to go out and about

By: - May 26, 2020

As we return to some degree of normalcy after weeks of social distancing, we all need a plan. As an immunologist, I’ve given this a lot of thought personally and professionally. When I venture out, I am first going to check the number of new COVID-19 infections in my community. In Virginia, for example, as […]