Health Services

COVID-19 Vaccine Availability

The CDC recommends COVID-19 vaccination for everyone 6 months and older. FDA-approved or authorized COVID-19 vaccines are currently available to all U.S. citizens and residents. Visit the CDC website for more information.

  • COVID-19 vaccines are safe, effective, and free.
  • Getting the vaccine can reduce the risk of severe disease, hospitalizations and long-term complications for COVID-19
  • For children, the vaccine can also curb community transmission and reduce disruptions to in-person learning activities.
To learn more, visit the CDC website to get answers to frequently asked questions, see Interim Clinical Considerations, and bust myths about vaccines.

Getting the COVID-19 Vaccine

21 MDG is now providing Pfizer-BioNTech and Moderna vaccine boosters for Individuals 18 and older may request a booster if:

  1. They have completed a primary/initial vaccine series
    1. Two doses of Moderna or Pfizer-BioNTech vaccine
    2. One dose of Janssen vaccine
  2. There has been adequate time period since primary/initial series
    1. Moderna/Pfizer-Bio-NTech vaccine – at least 6 months
    2. Janssen vaccine – at least 2 months

Individuals 16-17 years old and received the Pfizer-BioNTech vaccine as your primary vaccination series, can also request a booster 6 months of receiving the primary series.

​Vaccines will be available from 1 P.M. to 3:30 P.M. by appointment at the Women's Health, Peterson SFB Main Clinic: 559 Vincent St, Peterson SFB.​ The Pfizer-BioNTech vaccine is offered Mondays, Wednesdays, and Fridays while the Moderna vaccine is offered Tuesdays and Thursdays.

Once you have determined which booster vaccine you would like, schedule the appointment on the designated day at

DOD COVID-19 Vaccine Service Member Mandate

COVID-19 vaccines are required for all members of the armed forces on active duty or in the Reserve or Guard components, including pregnant service members, according to DOD. Each service decides their own deadline for vaccination.

  • If you’re a service member and have received a COVID-19 vaccine from a non-DOD provider, make sure to update your medical records.
  • If you haven’t received your COVID vaccine yet, schedule your vaccine as soon as possible.
  • Find a DOD COVID Vaccine Location near you.
If you have questions about the COVID-19 vaccine mandate, contact your unit commander.

COVID-19 Vaccine for Children ages 6 months through 17 years

The CDC recommended all children 6 months and older receive the COVID-19 vaccine.

  • If you’re unsure if the vaccine is right for your child, we recommend discussing your child’s medical conditions, including prior reaction to vaccines, with a medical provider.
  • For some immunocompromised children, a third primary series/additional dose is recommended. 
  • For more information, visit the CDC’s COVID-19 Vaccines for Children and Teens webpage.

Booster Dose

The CDC recommends everyone 5 years and older receive a booster dose after completing the primary series of the COVID-19 vaccine, if eligible.

  • People aged 18 years and older who received Pfizer-BioNTech-COMIRNATY® or Moderna COVID-19 vaccines should receive a 1st booster dose 5 months after dose 2 of the primary series.
  • Children 5 and older who completed the primary series of Pfizer-BioNTech-COMIRNATY® COVID-19 vaccine should receive a 1st booster dose 5 months after dose 2 of the primary series.
  • If you received the Janssen COVID-19 vaccine you should get a booster dose 2 months after your initial Janssen dose.

CDC has also expanded eligibility for an additional (second) booster dose for certain individuals who may be at higher risk of severe outcomes from COVID-19:

  • People aged 50 years and older, or have a weakened immune system may receive a second mRNA (Pfizer-BioNTech-COMIRNATY®, and Moderna) booster dose, 4 months after the first booster dose.
  • Individuals aged 18 years and older who received the Johnson & Johnson/Janssen vaccine may a second booster dose of either mRNA (Pfizer-BioNTech-COMIRNATY®, and Moderna) vaccine.

Concerns about the vaccine?

Speak with a Vaccine Expert. You may contact the DHA-Immunization Healthcare Support Center at 1-877-GET-VACC (1-877-438-8222) option 1 or Defense Switch Network (DSN) 761-4245, option 1, if you have questions about the vaccines or about an adverse event following vaccination.

Visit the CDC Website for current COVID-19 booster guidance.

Visit the TRICARE website for information about the COVID-19 vaccine.

Contact Us


Vaccines Administered

1:00 p.m. to 3:30 p.m.

Monday, Wednesday, and Friday

Tuesday and Thursday


Peterson SFB

21st Medical Group
Women's Health
Peterson Space Force Base, Colorado 80914
559 Vincent Street, Building 959

Don't forget to keep your family's information up-to-date in DEERS.