Johnson & Johnson Announces Real-World Evidence and Phase 3 Data Confirming Strong and Long-Lasting Protection of Single-Shot COVID-19 Vaccine in the U.S.

On September 21, 2021 Johnson & Johnson (J&J) announced new data supporting the long-lasting protection of its COVID-19 vaccine. Data also indicated that protection against COVID-19 increases when a booster shot of the J&J vaccine is administered. Data showed a booster increased protection by 94% when given at two months, a four-fold increase in antibodies when given at two months, and a 12-fold increase in antibodies when a booster was given at six months. The current J&J vaccine is administered in one dose. It received an Emergency Use Authorization (EUA) from the Food and Drug Administration (FDA) for use in people ages 18 years and older. Read more.