September 29, 2021

Who Is Eligible for a COVID-19 Vaccine Booster Shot?

According to the CDC, data from a small clinical trial show that a Pfizer-BioNTech booster shot increased the immune response in trial participants who finished their primary series 6 months earlier. With an increased immune response, people should have improved protection against COVID-19, including the Delta variant.


COVID-19 Vaccine booster shots are available for the following Pfizer-BioNTech vaccine recipients who completed their initial series at least 6 months ago:

Schedule an Appointment

Search, text your ZIP code to 438829, or call 1-800-232-0233 to find locations near you. Additionally, you may:

  • Check your local pharmacy’s website to see if vaccination walk-ins or appointments are available.
  • Contact your state or local health department for more information.

Additional Information

For additional information related to COVID-19, visit the Center for Disease Control (CDC) website.

Participants gather to hear information at a resource fair