10/12/2021 WCHD Provider Alert: COVID-19 Vaccine 3rd and Booster Doses

Requested Actions

  • Be aware of the confusion between the terminology and guidance for 3rd dose versus booster doses.
  • Third dose: vaccine doses available now for people who are considered moderately or severely immunocompromised

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 immune response


Clinician Outreach and Communication Activity (COCA) call on Sept. 28, 2021 covered what clinicians needs to know about administering booster doses.

Become a COVID-19 vaccine provider and vaccinate patients during their visit. Learn how to enroll as a COVID-19 vaccine provider.

COVID-19 vaccine resources

Contacting the Health Department

360-778-6100         Main Call Line – available M-F 8:30am to 4:30pm

360-715-2588         Afterhours Answering Service – available after 4:30pm and weekends

360-778-6150         Communicable Disease Report Line – 24 hours a day 7 days a week

360-778-6103         Confidential Communicable Disease Fax – 24 hours a day 7 days a week

1500 N State Street, Bellingham WA 98225