Atlanta: The U.S. government has announced it has said goodbye to one of the world's greatest lifesavers
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/vaccine-ended-smallpox-destroyed
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/hindu
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/vaccination
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/small-pox