Skip Global navigation and goto content


By Kristine Hollingsworth

August 13, 2021

At this time, those who are moderately to severely immunocompromised are eligible for a third dose of either the Moderna or Pfizer COVID-19 vaccine. Those who are eligible include:

  • Those who are receiving active cancer treatment
  • Organ transplant recipients who take medicine to suppress the immune system
  • Stem cell transplant recipients in the last two years
  • Advanced or untreated HIV
  • Active treatment with high-dose corticosteroids or other immunosuppressants

DOH-Collier as well as local pharmacies and physician offices can administer the third dose. To find a vaccine location near you, please visit or

It is anticipated that all Americans will be eligible for a third dose of either the Pfizer or Moderna vaccine beginning mid to late September.