Sgt. 1st Class Gregory Rios, Senior Drill Sergeant, Alpha Company, 264th Medical Battalion, 32d Medical Brigade, Army Medical Center of Excellence looks on as 68K Medical laboratory Specialists in training wait to be released back to training after receiving the first dose of the Pfizer BioNTech COVID-19 vaccine at the Brooke Army Medical Center’s Joint Base San Antonio-Fort Sam Houston Vaccine site on April 15, 2021. Immediately following the shot, personnel are required to wait 15 minutes before departing the vaccine site to ensure there are no immediate adverse side effects.

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Keywords: army, medcoe, medicine, tradoc