infections
COVID 19 Vaccine
Introduction
Coronavirus disease 2019 (COVID-19) vaccines provide protection against COVID-19. COVID-19 is the disease caused by infection with the SARS-CoV-2 virus. There are multiple COVID-19 vaccines currently in use worldwide (see the In the United States, the updated 2023–­2024 formulation of the following COVID-19 vaccines are in use: SARS-CoV-2 virus (COVID-19) mRNA vaccine produced by Pfizer-BioNTech recommended for people 6 months and older SARS-CoV-2 virus (COVID-19) mRNA vaccine produced by Moderna recommended for people 6 months and older SARS-CoV-2 virus (COVID-19) recombinant spike protein nanoparticle vaccine produced by Novavax recommended for people 12 years of age and older The SARS-CoV-2 virus (COVID-19) adenovirus vector vaccine produced by Janssen/Johnson & Johnson is no longer available in the United States (seeCDC: Janssen (Johnson & Johnson) COVID-19 Vaccine). The best way to prevent infection, severe illness, and death from COVID-19 is to be up to date with COVID-19 vaccinations. Unvaccinated people are more likely to die from COVID-19 than vaccinated people. For more information, see theCDC: Interim Clinical Considerations for Use of COVID-19 Vaccines in the United States,COVID-19 Advisory Committee on Immunization Practices Vaccine Recommendations, the FDA prescribing information for thePfizer-BioNTechandModernavaccines, and the FDA fact sheets forPfizer-BioNTech,Moderna, andNovavax. (See also Overview of Immunization .) 