A Doctors Without Borders support counselor waits for MDR-TB patients at a clinic in Nukus, Uzbekistan. Courtesy of Misha Friedman hide caption

itoggle caption Courtesy of Misha Friedman

Jan. 9, 2013 David Gilkey/NPR hide caption

itoggle caption David Gilkey/NPR

Dr. Aun Pyae Phyo examines a baby at the Whampa malaria clinic on the Thailand-Myanmar border. Ben de la Cruz/NPR hide caption

itoggle caption Ben de la Cruz/NPR