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Army Maj. (Dr.) Gadiel Alvarado, infectious diseases physician, poses for a photo in Guam with the USS Theodore Roosevelt (CVN 71) in the background April 18, 2020. Alvarado served as the infectious disease expert for the COVID-19 Public Health Task Force from April 12-22. The team, consisting of five Army officers, was there to perform a comprehensive and multidisciplinary review of processes, asses the current situation and help with mitigation plans surrounding the TR COVID-19 outbreak.