COVID-19 booster frequently asked questions –

How do I get a booster?

There are over 500 locations for residents to receive a Pfizer COVID-19 booster shot.

In order to find a convenient location for getting a Pfizer COVID-19 Booster:

  • Visit the VaxFinder tool at for a full list of hundreds of locations to receive a booster. Residents will be able to narrow results to search for locations that are offering boosters. Some appointments are available now for booking boosters for eligible residents. Additional appointments are expected to come online in the coming days.
  • If you are unable to use VaxFinder, or have difficulty accessing the internet, please contact the COVID-19 Vaccine Resource Line (Monday through Friday from 8:30 a.m. to 6 p.m., Saturday and Sunday 9 a.m. to 2 p.m.) by calling 2-1-1 and following the prompts. The COVID-19 Vaccine Resource Line is available in English and Spanish and has translators available to in approximately 100 additional languages.

Do I need to show my vaccine card or other proof of being fully vaccinated to get my booster?

If you have your vaccine card it is helpful so that your booster dose can be added to it, but you do not need to show your CDC vaccination card to get your booster. You will be asked to self-attest that you meet eligibility requirements such as age, health conditions, or occupation. There are no ID, insurance, or state registry requirements.  Your vaccinator may choose to look up your vaccine records to confirm the right type of vaccine for your booster.

I got vaccinated at a MassVax site, where do I go to get my booster dose?

You can get a booster shot anywhere they are available including your primary care provider, a retail pharmacy or, a community vaccination clinic. Or you can use VaxFinder to find a location.

Can I just walk-in or do I need to book an appointment?

Walk-ins and appointments will be available at retail pharmacies, however, residents are encouraged to book an appointment via VaxFinder or directly with their provider.

Can I book an appointment by calling 2-1-1?

Yes. Individuals without access to the internet or who are unable to schedule their appointment online can call the COVID-19 Vaccine Resource Line toll free 2-1-1 or (877) 211-6277 for assistance with setting up an appointment.

Can I get my booster vaccine at home?

Yes. If you have trouble getting to a vaccine clinic, you can use the In-Home Vaccination Program. Visit for more information

Should people expect to get sick after the third dose?

Current data indicates that side effects following the additional dose are similar to those after the second dose. Common side effects are generally mild such as localized pain, redness or swelling at the injection site, and fatigue, headache, and low-grade fever. Serious adverse events are rare.

Can I get a flu vaccination at the same time as my COVID-19 booster?

Yes. You can get a COVID-19 vaccine and other vaccinations like a flu or shingles vaccine at the same time or close together, according to the CDC.