Booster/Additional Shot Information

Eligibility Information for COVID-19 Booster Shots and Additional Doses for Immunocompromised Individuals.

Get a Booster Shot

Maryland Vaccination Site Locater

Booster Shot FAQs

Are You Up-To-Date On Your COVID Vaccines?

Picture of COVID-19 vaccine vials

Moderna, Pfizer Omicron (Bivalent) Booster Shots

The FDA and CDC have authorized the Moderna (18 and older) and Pfizer (12 and older) Omicron-specific booster shots. Howard County Health Department will begin offering a limited supply of this updated vaccine at clinics beginning the week of September 12. Appointments are available using the calendar below. Please note the vaccine type and age range before making an appointment. Vaccine is also available at local pharmacies, urgent care centers, and retail stores. You can visit the Maryland Vaccine Locater to find a vaccination location convenient to you. As the Health Department receives additional supply of the updated vaccine, additional appointments will be made available.

Vaccine Clinic Location Date & Time Registration
Every Step Counts Autism 5K Centennial Park 10000 Clarksville Pike., Ellicott City, MD 21042 Oct. 1
9:00a - 12:00p

Pfizer Omicron (Bivalent) (12+)
Click here to register 
Appointment required

South Area of the Park

Howard County Health Department
8930 Stanford Blvd., Columbia, MD 21045
Oct. 4
5:00p - 7:00p
Pfizer Omicron (Bivalent) (12+)
Click here to register 
Appointment required
Howard County Health Department
8930 Stanford Blvd., Columbia, MD 21045
Oct. 11
5:00p - 7:00p
Pfizer Omicron (Bivalent) (12+)
Click here to register 
Appointment required
Miller Branch Library 9421 Frederick Rd., Ellicott City, MD 21042 Oct. 12
4:00p - 6:00p
Pfizer (5-11)
Pfizer Omicron (Bivalent) (12+)

Click here to register 
Appointment required
Howard County Health Department
8930 Stanford Blvd., Columbia, MD 21045
Oct. 18
5:00p - 7:00p
Pfizer Omicron (Bivalent) (12+)
Click here to register 
Appointment required
Howard County Health Department
8930 Stanford Blvd., Columbia, MD 21045
Oct. 25
5:00p - 7:00p
Pfizer Omicron (Bivalent) (12+)
Click here to register 
Appointment required
Central Branch Library 10375 Little Patuxent Pkwy., Columbia, MD 21044 Oct. 26
4:00p - 6:00p
Pfizer (5-11)
Pfizer Omicron (Bivalent) (12+)

Click here to register 
Appointment required

Am I Up-To-Date With My COVID-19 Vaccines?

Everyone ages 5 and older is authorized to receive a primary vaccination series and a booster shot. Individuals who have completed their initial series and received a booster shot, when eligible are considered to be fully up-to-date on their vaccines by the CDC. Howard County Health Department recommends following all CDC guidance regarding recommended vaccinations for their age group. Being "up-to-date" on your vaccinations can mean eased restrictions regarding mask use and quarantine, as recommended by the CDC. 

The Maryland Department of Health offers an easy to use tool to find out if you are up-to-date on your COVID-19 Vaccinations.

More information about booster eligibility is available for the CDC HERE.

Booster Shots

The FDA and CDC authorized updated Omicron-specific booster shots of the Pfizer and Moderna vaccines for all individuals age 18 and older (age 12 for Pfizer). Please review the following information.

  • Individuals 18 years of age and older are eligible for a single booster dose of the updated Moderna COVID-19 Vaccine (Bivalent) if it has been at least two months since they have completed primary vaccination or have received the most recent booster dose with any authorized or approved monovalent COVID-19 vaccine. 
  • Individuals 12 years of age and older are eligible for a single booster dose of the updated Pfizer-BioNTech COVID-19 Vaccine (Bivalent) if it has been at least two months since they have completed primary vaccination or have received the most recent booster dose with any authorized or approved monovalent COVID-19 vaccine.
  • Children ages 5-11 are eligible for a booster dose of the original (monovalent) Pfizer COVID-19 Vaccine at least five months after their second dose. 

Documentation of your previous vaccine series will be required. Either bring your vaccine card or verify your vaccine information has been accurately recorded in Immunet, the State of Maryland Immunization database. Individuals should talk to their healthcare provider about their specific situation and which vaccine is best for them.

Find more information about Booster Shots from the CDC hereBooster shots are also available from local pharmacies, retail stores, and/or your medical provider. Individuals who need assistance scheduling an appointment should call 410-313-6284.

3rd/4th doses for Immunocompromised Individuals

The Health Department continues to administer 3rd doses of mRNA (Pfizer and Moderna) vaccine to individuals considered moderately to severely immunocompromised at all Health Department-run clinics. Individuals should talk to their healthcare provider about their medical condition, and whether getting an additional dose is appropriate for them.

The CDC provides additional information about those individuals that may meet the criteria for immunocompromised here. Though no proof or doctor's note will be required at HCHD-run clinics, individuals will be asked to self-attest that they are immunocompromised and eligible for a 3rd vaccine dose. Please bring your vaccine card with you to verify the vaccine type you should receive.

Moderately and severely immunocompromised people aged ≥12 years who completed an mRNA COVID-19 vaccine primary series and received an additional mRNA vaccine dose may receive a single updated COVID-19 (bivalent) booster dose (Pfizer-BioNTech or Moderna) at least 2 months after completing their most recent booster dose. Those who received a J&J/Janssen primary vaccine should receive an mRNA additional dose, followed by and updated mRNA booster at least 2 months following the first (mRNA) dose.

Click here for more information.

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