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Writing for The Conversation, UVA’s Dr. William Petri tackles six common questions about booster shots.

Writing for The Conversation, the UVA infectious disease specialist explained why he believes the vaccine's benefits outweigh the risks.

In this piece originally written for The Conversation, Petri addresses recent news about the Johnson & Johnson vaccine, what patients should look for and what might come next.

Is it smarter to give more people their first doses, even if it delays giving some people their second? Writing for The Conversation, UVA COVID expert Dr. William Petri evaluates the case.

UVA’s Dr. William Petri explains how the Pfizer and Moderna vaccines work, why they require two doses and how delays in receiving the second dose could change a vaccine’s efficacy.