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Leading research to understand, treat, and prevent infectious, immunologic, and allergic diseases
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Collaborative Clinical Research Branch (CCRB)

Sophia Siddiqui, MD
Deputy Branch Chief

Chuen-Yen Lau, MD, MS, MPH
Medical Officer

Julia A. Metcalf, BA, MT
Clinical Research Specialist

Susan Orsega, Captain, United States Public Health Service
Senior Program Management Consultant Officer

Michael Belson, BS

John Powers III, MD, FACP, FIDSA
Senior Medical Scientist

Louis Grue III, RN, BS, BSN, CCRA,
Clinical Project Manager

Mamoudou Maiga, MD, PhD
Medical Scientist

Ydrissa Sow, MD, MPH, DTM&H
International Program Officer

Last Updated May 05, 2016