ahlam1399
09-26-2015, 06:40 AM
Nigeria has successfully stopped transmission of polio in the country, a major milestone in a longstanding push to eradicate the disease globally.
أكثر... (http://www.wsj.com/articles/nigeria-declared-polio-free-by-who-1443214981?mod=fox_australian)
أكثر... (http://www.wsj.com/articles/nigeria-declared-polio-free-by-who-1443214981?mod=fox_australian)