In the 1960s and '70s, American physician and epidemiologist D.A. Henderson led the global campaign to eradicate smallpox. As VOA's Rosanne Skirble reports, the strategy he deployed changed the way health officials wage war against infectious diseases and biological threats.
Have just read a book called The Demon in the Freezer which tells of the eradication of smallpox - scary stuff!:(
rookiebird22 2 years ago