Senior Airman Michelle Ramos, a 433rd Aeromedical Staging Squadron medical technician, applies a bandage to Staff Sgt. Maria Hank, a 433rd Force Support Squadron services technician, after administering the influenza vaccination on Oct. 03, 2015 at Joint Base San Antonio-Lackland, Texas. The 433rd Medical Group medics also passed out complimentary hand sanitizer and reminded wing members about hygiene as the nation enters the flu season. (U.S. Air Force Photo/Tech. Sgt. Carlos J. Trevino)