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Posted on: August 20, 2021

COVID-19 Booster Shots Available at County Vaccination Sites for Immunocompromised

COVID19 Vaccine Booster Graphic

The Centers for Disease Control and Prevention (CDC) recommended booster shots for moderately to severely immunocompromised people and are now available at San Bernardino County vaccination sites.  

The CDC is recommending that moderately to severely immunocompromised people receive a booster shot of the COVID-19 vaccine, which is meant to “boost” the efficacy of the COVID-19 vaccine for people who have:

  • Been receiving active cancer treatment for tumors or cancers of the blood Received an organ transplant and are taking medicine to suppress the immune system
  • Received a stem cell transplant within the last 2 years or are taking medicine to suppress the immune system
  • Moderate or severe primary immunodeficiency (such as DiGeorge syndrome, Wiskott-Aldrich syndrome)
  • Advanced or untreated HIV infection
  • Active treatment with high-dose corticosteroids or other drugs that may suppress your immune response

People should talk to their healthcare provider about their medical condition, and whether getting an additional dose is appropriate for them.

You do not need to bring medical proof of an immunocompromised condition to get your booster shot. You will be asked to fill out a statement or written document to self-proclaim that you do meet the qualifications to receive a booster. If it has been at least 28 days or more since your second dose, then you may receive a booster shot of either Pfizer or Moderna.

For people who received Pfizer or Moderna, or what’s called mRNA vaccines, a third dose of the same vaccine should be used. If the mRNA vaccine product given for the first two doses is not available or is unknown, Pfizer or Moderna can be administered, according to the CDC. The CDC has not yet provided booster shot information for people who received the single-dose Johnson & Johnson vaccine because there is not enough data at this time to determine whether immunocompromised people who received the Johnson & Johnson vaccine also have an improved antibody response following an additional dose of the same vaccine.

To find a location to obtain a booster vaccine, please visit to make an appointment or walk up to a site near you.  For additional information and to view frequently asked questions, visit

The Centers for Disease Control and Prevention (CDC) announced Wednesday a plan to widen eligibility for a third shot eight months after a second dose to all Americans who received Pfizer and Moderna vaccines beginning the week of September 20.

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