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.
| If You Received | Which Booster to Get? | When to Get a Booster? | Which Booster Should You Get? |
|---|---|---|---|
Pfizer-BioNTech | Everyone 12 years and older | At least 5 months after completing your primary COVID-19 vaccination series. |
|
Moderna | Adults 18 years and older | At least 5 months after completing your primary COVID-19 vaccination series. |
|
Johnson & Johnson's | Adults 18 years and older | At least 2 months after completing your J&J/Janssen COVID-19 vaccination series. |
|
*Although mRNA vaccines are preferred, J&J/Janssen COVID-19 vaccine may be considered in some situations
For more information about San Bernardino County Vaccination Center, vaccine locations, and appointments visit:
If you need help scheduling your booster shot, contact the location that set up your previous appointment. If you need to get your booster shot in a location different from where you received your previous shot, there are several ways you can find a vaccine provider.
If you completed a Pfizer-BioNTech, Moderna, or J&J/Janssen COVID-19 vaccine primary series outside of the United States you should follow the guidance above for booster shots.
Otherwise, if you were vaccinated abroad with other COVID-19 vaccines you can get a booster shot if you are 16 years or older and you either:
If you meet the above requirements you can get a single booster shot of Pfizer-BioNTech COVID-19 vaccine at least 6 months after getting all recommended doses or completing a mix and match COVID-19 vaccine series.
Studies show after getting vaccinated against COVID-19, protection against the virus and the ability to prevent infection with variants may decrease over time and due to changes in variants.
Information gathered from CDC website.