![Coronavirus (COVID-19) Update: FDA Takes Multiple Actions to Expand Use of Pfizer-BioNTech COVID-19 Vaccine | FDA Coronavirus (COVID-19) Update: FDA Takes Multiple Actions to Expand Use of Pfizer-BioNTech COVID-19 Vaccine | FDA](https://www.fda.gov/files/Booster%20Infographic_tw_12_28_21.png)
Coronavirus (COVID-19) Update: FDA Takes Multiple Actions to Expand Use of Pfizer-BioNTech COVID-19 Vaccine | FDA
![Safety Monitoring of COVID-19 Vaccine Booster Doses Among Persons Aged 12–17 Years — United States, December 9, 2021–February 20, 2022 | MMWR Safety Monitoring of COVID-19 Vaccine Booster Doses Among Persons Aged 12–17 Years — United States, December 9, 2021–February 20, 2022 | MMWR](https://www.cdc.gov/mmwr/volumes/71/wr/figures/mm7109e2-F.gif?_=67464)
Safety Monitoring of COVID-19 Vaccine Booster Doses Among Persons Aged 12–17 Years — United States, December 9, 2021–February 20, 2022 | MMWR
![COVID-19 vaccine waning and effectiveness and side-effects of boosters: a prospective community study from the ZOE COVID Study - The Lancet Infectious Diseases COVID-19 vaccine waning and effectiveness and side-effects of boosters: a prospective community study from the ZOE COVID Study - The Lancet Infectious Diseases](https://www.thelancet.com/cms/attachment/372ade5e-5f14-48a9-b960-4b5767839337/gr1_lrg.jpg)
COVID-19 vaccine waning and effectiveness and side-effects of boosters: a prospective community study from the ZOE COVID Study - The Lancet Infectious Diseases
CDC - Side effects after getting your COVID-19 vaccine are normal and a sign your body is building protection. They should go away in a few days. Compared to vaccine side effects,
![Safety Monitoring of an Additional Dose of COVID-19 Vaccine — United States, August 12–September 19, 2021 | MMWR Safety Monitoring of an Additional Dose of COVID-19 Vaccine — United States, August 12–September 19, 2021 | MMWR](https://www.cdc.gov/mmwr/volumes/70/wr/figures/mm7039e4-F-large.gif?_=54526)