D.A. Henderson, who led effort to eradicate smallpox, dies at 87
 

D.A. Henderson, who led effort to eradicate smallpox, dies at 87
(Reuters) – Donald A. Henderson, who headed the World Health Organization vaccination effort that wiped out smallpox in 1977 and later became a U.S. bioterrorism expert, has died from complications following a hip fracture, officials said on Sunday. He was 87.