The Board of Health, in conjunction with the local Medical Reserve Corps and Emerson Hospital Home Care, will hold several free clinics offering seasonal flu vaccines this month. Clinics for town employees will be held Oct. 15 from 8:30 to 9:30 a.m. in Town Hall, and from 2 to 4 p.m. at the Fowler School. Also on Oct. 15, a clinic for residents age 65 and older will be held from 10 to 11:30 a.m. at Union Congregational Church. A clinic for all residents ages 9 and up will be held from 10 a.m. to noon Oct. 19 at the Fowler School. Participants are asked to bring their insurance cards.