Petty Officer 3rd Class Shaunta Johnson administers the annual flu vaccine shot to Lt. j.g. Michael Rucker, a native of Shelbyville, Ky., on Camp Lemonier, Oct. 16. The Expeditionary Medical Facility here has established a designated influenza team to educate camp personnel about the effects of the influenza virus. The Centers for Disease Control and Prevention suggest the best way to prevent seasonal flu is to receive a vaccination each fall and practice good health habits.