COVID-19 Vaccine Effectiveness and Safety

This figure shows an image of vaccine vials with text describing a new MMWR report on evaluation of COVID-19 vaccine safety.

MMWR  highlights the latest scientific information on the safety and effectiveness of COVID-19 vaccines. See the reports below. For the latest on CDC’s response to the COVID-19 pandemic, check out the COVID-19 home page.

November 2021

October 2021

September 2021

August 2021

July 2021

June 2021

May 2021

April 2021

March 2021

February 2021

January 2021

December 2020

Page last reviewed: November 4, 2021