Witnesses

Mr. Ian Brownlee
Principal Deputy Assistant Secretary, Bureau of Consular Affairs, U.S. Department of State 
 
Mr. Jonathan Fritz
Deputy Assistant Secretary, Bureau of East Asian and Pacific Affairs, U.S. Department of State
 
William A. Walters, Ph.D.
Executive Director and Managing Director for Operational Medicine, Bureau of Medical Services, U.S. Department of State
 
Robert Redfield, Ph.D.
Director, U.S. Centers for Disease Control and Prevention