 Khan used these preparedness efforts during the first anthrax attack in 2001, during which he directed the CDC operational response in Washington, D.C.Prior to becoming Director of PHPR in August 2010, Dr. Khan served as Deputy Director of CDC’s National Center for Emerging and Zoonotic Infectious Diseases (NCEZID).He has responded to and led numerous domestic and international public health emergencies, including hantavirus pulmonary syndrome, Ebola hemorrhagic fever, monkeypox, Rift Valley fever, avian influenza, severe acute respiratory syndrome (SARS), the Asian tsunami, and the initial public health response to Hurricane Katrina in New Orleans.