COVID 19-vaccines are effective. They can help keep you from getting and spreading the virus that causes COVID-19. COVID-19 vaccines also help keep you from getting seriously ill even if you do get COVID-19. To get the best protection against COVID-19, especially against severe illness and hospitalization, stay up to date on your COVID-19 vaccines.
COVID-19 vaccines can offer added protection to people who had COVID-19, including protection against being hospitalized from a new infection. The COVID-19 vaccine is the best way to prevent infection, including from variants.