Fourth Pfizer Dose Better for Severe Than Symptomatic COVID: Study
A fourth dose of the Pfizer-BioNTech vaccine is effective in reducing the short-term risk for COVID-19 infection, hospitalization, and death in people who got a third dose at least 4 months before, a large study published Wednesday shows. However, Paul Offit, MD, author of an editorial accompanying the study, told Medscape Medical News, […]
