Michael Rajnik

Dr. Michael Rajnik is a Clinical Professor of Pediatrics at the Uniformed Services University of the Health Sciences in Bethesda, MD. He serves as Division Director for Infectious Disease within the School of Medicine, with academic and clinical expertise focusing on pediatric infectious diseases, epidemiology, and global health initiatives.

• B.S. Chemistry, King's College (1991)
• M.D., University of Virginia School of Medicine (1995)
• Pediatrics Residency, Wilford Hall USAF Medical Center (1998)
• Pediatric Infectious Diseases Fellowship, National Capital Consortium/USUHS (2001)

Dr. Rajnik's research spans pediatric infectious diseases with emphasis on respiratory tract infections, epidemiology, and global health. He has led studies on rotavirus immunization effectiveness, tuberculosis treatment innovations, and pandemic-related healthcare impacts across military populations. His work combines clinical research with public health surveillance and has shaped vaccination and infection control practices within military healthcare systems.

Pediatric infectious diseases during wartime, vaccine-preventable illnesses, and multidrug-resistant infections form recurring themes in his research. Recent work focuses on COVID-19 pandemic effects across military pediatric and adult populations, including rotavirus hospitalization trends, cardiac complications, and sexually transmitted infection management.

Scientific contributions and recognitions include:

• Chair, Infectious Diseases Institutional Review Board (2009-2016)
• Chair, American Academy of Pediatrics Executive Committee (2009-2014)
• President, Armed Forces Infectious Diseases Society (2007-2008)
• USAF Master Educator (2007, 2012)
• Educator of the Year, San Antonio Uniformed Services (2006)

As a mentor and Fellowship Director (2006-2016), Dr. Rajnik has guided numerous military physicians in pediatric infectious diseases while leading research administration and advocating for military families within the American Academy of Pediatrics. His clinical and administrative roles demonstrate sustained commitment to advancing military pediatric medicine through education, research, and policy engagement.