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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 Additional Doses Update

vaccine vial that has COVID-19 on the label.

Posted November 22, 2021

The Centers for Disease Control and Prevention (CDC) updated recommendations for COVID-19 boosters to include individuals age 18 or older who:

  • Received the Janssen/Johnson & Johnson vaccine at least two months ago, or
  • Received both required doses of either the Moderna or the Pfizer-BioNTech vaccine, with the second dose at least six months ago.

Individuals who have a medical condition associated with immunosuppression are eligible to receive an additional vaccine dose.

The FDA has determined it is safe to receive a different brand for the booster or additional dose than the brand you initially received.

To schedule an appointment, please read our booster/additional dose information.

COVID-19 Vaccine for Children Ages 5–17

Posted November 4, 2021

The Centers for Disease Control and Prevention now recommends children ages 5 and older receive a COVID-19 vaccine. Johns Hopkins Medicine encourages all families with eligible children to get the appropriate COVID-19 vaccine.

  • Children ages 5–11 years can receive the Pfizer pediatric COVID-19 vaccine (10mcg dose).
  • Adolescents 12 and older can receive the Pfizer adult COVID-19 vaccine (30mcg dose).

Doses are based on age, not weight.

Read more information on getting a vaccine for your child. Please use all available resources to get the COVID-19 vaccine.

3 Ways to Get Your Vaccine or Booster

(Vaccines available for individuals 5 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. The State Center COVID Vaccine Location, a joint operation by University of Maryland Medical System and Johns Hopkins Medicine. is now open.

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


Safety Guidelines

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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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