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COVID-19 Vaccine Information and Updates A close-up of a patient receiving a COVID-19 vaccine from a healthcare professional.

COVID-19 Vaccine Boosters and Third Dose Update

vaccine vial that has COVID-19 on the label.

On Oct. 14–15, 2021, an expert panel advised the U.S. Food and Drug Administration (FDA) to authorize a booster dose of the Moderna vaccine for individuals who received their second dose of Moderna at least six months ago and meet the below criteria:

  • Are 65 or older.
  • Are 18 or older and have an underlying medical condition that could put them at higher risk of severe COVID-19.
  • Are 18 or older and work in a location that puts them at high risk of exposure to COVID-19.

The advisory panel also recommended FDA authorization of a second dose of the Janssen/Johnson & Johnson (J&J) COVID-19 vaccine for people 18 and older who received a first dose of J&J vaccine at least two months ago.

The next step is for the FDA to consider and decide whether they will follow the panel’s recommendations. Johns Hopkins Medicine is waiting for the FDA’s authorization and the Centers for Disease Control and Prevention’s recommendations before expanding the booster doses offered at JHM locations.

Johns Hopkins Medicine is only offering the Pfizer-BioNTech COVID-19 vaccine booster to eligible patients and a third dose of Pfizer or Moderna COVID-19 vaccines to patients with certain medical conditions associated with immunosuppression. Booster and third-dose appointments are limited.

3 Ways to Get Your Vaccine or Booster

(Vaccines available for individuals 12 and older. Boosters available for individuals 18 and older who meet specific criteria.)

Visit a walk-up or mobile vaccination clinic – no appointments needed for mobile clinics.

Find state and local vaccine resourcesSome vaccination sites offer walk-up vaccinations.

Schedule your vaccine through MyChart.
For patients only. View scheduling instructions.


Safety Guidelines

an illustration of a doctor wearing a mask

Johns Hopkins Medicine requires all individuals to wear masks inside all our facilities.


Understanding the COVID-19 Vaccine


COVID-19 Vaccine Videos 

COVID-19 Vaccinations Begin Across Johns Hopkins Medicine

How Do We Know a COVID-19 Vaccine Will Be Safe and Effective?

Why is it Important that I Consider Getting the COVID-19 Vaccine?

How Does Johns Hopkins Medicine Decide Which Vaccines to Distribute?

Demographics of the COVID-19 Vaccine Trials

Coronavirus (COVID-19) Email Alerts

Get coronavirus information, safety tips, and research updates from Johns Hopkins Medicine.

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