Additional vaccine doses (booster shots and third doses)
Content verified January 17, 2023
Our booster clinics provide the updated bivalent boosters. Maryland's Vaccine Locator provides information on pharmacies and other providers who have booster appointments.
Novavax vaccine is available by appointment to persons age 12 and over. Learn more about Novavax and make an appointment.
You are up to date if you have completed a primary series and received the most recent booster dose recommended for you by the CDC.
Eligible people
Age | Booster vaccine |
---|---|
Ages 6 months through 4 years |
|
Age 5 years |
|
Ages 6 and older | updated (bivalent) mRNA booster |
Ages 18 and older | monovalent Novavax COVID-19 booster in limited situations. Call our COVID-19 Call Center at 240-777-2982. |
People who are immunocompromised
See CDC COVID-19 vaccine and booster guidence for people who are moderately or severely immunocompromised. You may also be eligible for Evusheld.
Available locations
If you want a specific vaccine as your booster, check that your vaccination site has it available.
See County-run clinics | Make appointmentsUse Maryland’s vaccine locator
Your healthcare provider may have vaccine, too.
Items to bring to your appointment
Bring these items to your additional dose appointment
- your vaccination card or a photo of your vaccination card - see how to get a copy of your record
- personal identification - see examples of identification
You will be required to self-certify underlying medical conditions and age.
You do not need a doctor's note or medical history.
Are there risks of receiving an additional vaccine dose?
Limited information exists about the risks of receiving an additional dose of vaccine. Ongoing research is looking at the safety and benefit of additional doses of COVID-19 vaccines.
So far, reactions reported after a third dose of an mRNA vaccine were similar to those for first and second doses. The most common side effects reported have been fatigue and pain at the injection site. Overall, most side effects have been mild to moderate.