Dartmouth Vaccination Site Slated to Close July 13 Updated 12:02 p.m. with information about upcoming New Bedford walk-in vaccination clinics. DARTMOUTH — The mass COVID-19 vaccination site at the former Circuit City in Dartmouth is slated to close on July 13, as the Baker-Polito Administration announced a shift in focus to Massachusetts' hardest-hit communities. With more than 3.8 million residents fully vaccinated, the administration said it is now focused on increasing targeted community-based vaccine efforts. Gov. Charlie Baker's administration announced Tuesday that around $3.2 million in funding has been awarded to community-based organizations to increase access to the vaccine in the 20 hardest-hit municipalities, including New Bedford and Fall River.