Pfizer presented data to investors showing that a third dose of its COVID-19 vaccine boosts immunity. The company believes everyone will need a boost eight to 12 months after receiving a second shot.

Pfizer Says A 3rd Dose Of Its COVID-19 Vaccine Boosts Immunity

By Joe Palca NPR
Copyright 2021 NPR. To see more, visit https://www.npr.org.

Read the full story on NPR.org »

Check Also

Haitians Pushed To U.S. Border By Misinformation Now Angry At Deportation

NPR's Audie Cornish speaks with Jacqueline Charles of the Miami Herald and John Holman of Al Jazeera English about the Haitian migrants at the U.S.-Mexico border and those being returned to Haiti.