Moderna's COVID-19 vaccine given full US approval

The decision was bolstered by real-world evidence from the more than 200 million doses administered in the U.S. since the FDA cleared the shot in December 2020. The FDA granted full approval of Pfizer’s vaccine last August.

Moderna CEO says fourth COVID-19 shot could be necessary

The CEO of Moderna says that a fourth coronavirus vaccine shot may soon be necessary due to declining efficacy of booster shots: "I still believe we’re going to need boosters in the fall of ’22 and forward," CEO Stephane Bancel said. "This virus is not going away. We’re going to have to live with it."

Why are so many vaccinated people getting COVID-19 lately?

People might mistakenly think the COVID-19 vaccines will completely block infection, but the shots are mainly designed to prevent severe illness, says Louis Mansky, a virus researcher at the University of Minnesota.