Residents ages 65+ can register to receive a free flu shot on Tuesday at the Merion Fire Company of Ardmore, according to a Lower Merion Township news release. The release is reprinted below: Adults ages 65 and older can take advantage of free flu shots that will be offered on Tuesday, October 23, 2012. From 1 to 3 p.m. at the Merion Fire Company of Ardmore, 35 Greenfield Avenue in Ardmore, senior citizens are invited to participate in this program affiliated with Bryn Mawr Hospital's Community Health Services Department. Main Line Health will assist in pre-registration and paperwork. Advance registration is required: only 50 vaccine shots are available. Call 1-866-CALL-MLH (or 1-866-2255-654) for more information.