All of Massachusetts’ mass vaccination sites will close in the next five weeks, Gov. Charlie Baker’s administration said Thursday. With nearly 3.7 million residents fully vaccinated and more than 4.3 million people receiving at least a first dose, the state is shifting its resources to community-based vaccine efforts to reach remaining populations, the administration said. Advertisement Gillette Stadium, the Hynes Convention Center, the Reggie Lewis Center, Natick Mall and the Doubletree in Danvers will finish operations by the end of June. The Eastfield Mall in Springfield and the former Circuit City in Dartmouth will remain open into July. Tentative closing dates: Gillette Stadium: June 14 Hynes Convention Center: June 22 Natick Mall: June 23 Reggie Lewis Center: June 27 Doubletree in Danvers: June 30 Eastfield Mall in Springfield: July 6 Former Circuit City in Dartmouth: July 13 CIC Health and Curative will continue to support community mobile sites, including on-site employer and school clinics, the administration said. The state’s mass vaccination sites have administered more than 1.7 million vaccine doses. There are more than 900 vaccination locations in the state. These sites continue to be available for walk-in appointments. For information on days and hours of operation, visit www.vaxfinder.mass.gov.