JOINT BASE LEWIS-MCCHORD, Wash. - U.S. Air Force Senior Airman Julia Stephenson, an aerospace medical technician with the 446th Aeromedical Staging Squadron here, checks a flu shot vaccine for air bubbles Nov. 8, 2020. Influenza vaccination is mandatory for uniformed personnel and health care personnel who provide direct patient care and is recommended for all others. (U.S. Air Force photo by Senior Airman Christopher Sommers)
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