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