COVID-19 Vaccine Booster Shots

CDC COVID-19 news, In the news

Staff, CDC, Jan. 7, 2022 Three COVID-19 vaccines are authorized or approved for use in the United States to prevent COVID-19. Pfizer-BioNTech or Moderna (COVID-19 mRNA vaccines) are preferred.  You may get Johnson & Johnson’s Janssen COVID-19 vaccine in some situations. …