Tech. Sgt. Sara McCoskey, 45th Aerospace Medical Squadron independent duty medical technician, administers an influenza vaccine to Chief Master Sgt. Craig Neri, 45th Space Wing command chief, Oct. 27, 2014, at Patrick Air Force Base, Fla. While the flu shot helps prevent against the flu, other actions will also help prevent the spread of the virus. (U.S. Air Force photo/Matthew Jurgens/Released)