Today, the World Health Organization (WHO) formally removes Nigeria from the list of polio-endemic countries.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/who-formally-announces-removal-nigeria-polio-endemic-list
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/star-africa
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/who
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/nigeria
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/polio
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/child-health
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/diseases
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/africa