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Answers to Your Questions

If you have questions about any of the vaccine clinics in Colorado, call the state’s vaccine hotline at 877-CO VAX CO (877-268-2926). The hotline is available Monday through Friday, 8 a.m. to 8 p.m.; and Saturday and Sunday, 9 a.m. to 6 p.m. or visit Colorado COVID-19 Vaccine FAQ 





Vaccine Information

COVID-19 Boosters

A bivalent booster that protects against the Omicron variants of COVID-19 is now available to individuals who have completed their primary vaccine series. The Centers for Disease Control and Prevention (CDC) currently recommend the following:

  • Individuals 12 years and older who have received the primary series should receive one bivalent Pfizer or Moderna booster at least two months after their last vaccine. You may receive either Pfizer or Moderna, regardless of the type of primary series you received.
    • You may receive a bivalent booster even if you have previously received one or more monovalent (original) boosters.
  • Individuals 5 to 11 years of age are recommended to receive the original monovalent booster when eligible.
  • Infants and children 6 months to 4 years of age are encouraged to get the COVID-19 primary series doses.
  • Individuals who are moderately or severely immunocompromised have different booster recommendations, which can be found here.
  • It is safe and effective for pregnant women to receive a COVID-19 vaccine during pregnancy. Vaccination can also protect the newborn or infant who isn’t yet able to receive the vaccine.


Flu Vaccines

Flu vaccines are recommended annually in September or October (before flu season begins) for any individual 6 months of age and older who does not have a history of severe allergic reaction to the vaccine. The flu vaccine can be administered at the same time as a COVID-19 vaccine. Free (with most insurance plans) or low-cost flu vaccines are available through your doctor’s office, Walgreens, and CVS Pharmacy locations.

COVID-19 and Flu Vaccines

Castle Pines Vaccine Center (old Safeway building in Castle Pines).
Open Thursday and Friday 10 a.m. – 6 p.m. and Saturdays from 10 a.m. – 4 p.m.

Walk-ins are welcome, however, appointments are recommended.  Please register at http://mhealthsystem.com/castlepinesvaccinecenter

Currently offering flu vaccine down to 6 months of age and the new updated COVID booster for everyone 12+.

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