The World Health Organization has declared its South East Asia region polio-free.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/world-now-80-polio-free-world-health-organization-says
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/bbc-uk
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/polio
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/child-health
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/afghanistan
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/nigeria
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/pakistan
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/south-asia
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/syria
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/diseases
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/who
[13] http://admin.indiaenvironmentportal.org.in/category/thesaurus/europe
[14] http://admin.indiaenvironmentportal.org.in/category/thesaurus/africa
[15] http://admin.indiaenvironmentportal.org.in/category/thesaurus/india
[16] http://admin.indiaenvironmentportal.org.in/category/thesaurus/immunisation