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.









August 27, 2021

August 13, 2021

August 6, 2021








Page last reviewed: May 5, 2022