Free flu shots will be available for senior citizens and adults with chronic illnesses on Oct. 18 at the Senior Center, 159 Goulding St. The vaccinations will be provided by the town’s Board of Health in two sessions, from 9 a.m. to 2 p.m. and from 6 to 8 p.m. Participants are asked to bring an insurance card if possible so the Board of Health can submit the information to the state for reimbursement. Call the center at 508-429-0622 to make an appointment.