In order to ensure all people ages 75 and older are able to receive the COVID-19 vaccine the Governor announced today that effective Thursday, February 11th, an individual who accompanies a person age 75 or older to one of the four mass vaccination sites to receive the vaccine will be eligible to receive the vaccine too, if they have an appointment booked. Both the companion and the individual age 75 or older must have an appointment for the same day and both individuals must be present. Only one companion is permitted. The companion must attest that they are accompanying the individual to the appointment.
 
Make an appointment online using an interactive map
https://www.mass.gov/info-details/covid-19-vaccination-locations

Or by telephone by calling 211
https://www.mass.gov/info-details/covid-19-vaccinations-for-people-ages-75-and-older

Please note that due to high demand and constrained vaccine supply, COVID-19 Vaccination appointments are limited. More appointments will be available based on supply from the Federal Government. Appointments will be added on a rolling basis.

Download a pdf with all the details here

https://www.glss.net/Portals/0/downloads/AGO-COVID19/COVID19_Vaccine_75_Companion_Information.pdf?ver=2021-02-11-070858-487