Millions of Americans who received the Pfizer vaccine are now recommended to get a booster dose.

 Who's eligible for a booster? 

Age 65+

Along with those who live in long-term care facilities

High Risk

Adults aged 50-64 with underlying medical conditions that put them at high risk for severe COVID-19. Younger adults age 18-49 should consider getting a booster based on their individual risk assessment.

High Exposure

Adults aged 18-64 who are:

healthcare workers, teachers, daycare staff, grocery workers, people in shelters or prisons, among others.

Third Dose mRNA Vaccine Guidance

The third dose of an mRNA COVID-19 vaccine should be the same vaccine brand as the initial series and administered at least four weeks or 28 days after completing a primary mRNA COVID-19 vaccine series.

Who is considered immunocompromised & recommended to get an additional dose of mRNA COVID-19 vaccine?

  • Receiving active cancer treatment for tumors or cancers of the blood

  • Received an organ transplant & 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


OCCHD is offering third doses at all clinic locations & a doctor's letter is not required. To make an appointment, click here.