Master Sgt. Cherie Gregory, 66th Medical Squadron functional manager, administers a flu shot at Hanscom Air Force Base, Mass., Oct. 18. 66th Medical Squadron officials have begun administering flu vaccines on a walk-in basis to active duty members, first responders here, as well as high-risk TRICARE beneficiaries.

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Keywords: .., 66th, air, base, flu, force, hanscom, medical, shot, squadron