The Deputy Director, Niger Ministry of Health, Hajiya Rakiya Datti, has said that over 80 per cent of diseases such as cholera, diarrhoea, polio and Ebola are contacted through open defecation.

She said children who were vulnerable die daily from the outbreak of cholera, diarrhoea, polio and Ebola, which were transmitted through water and air.Datti made the disclosure in an interview with the News Agency of Nigeria(NAN) in Minna.
Source: http://www.ereporter.com.ng/index.php/more-news/health-news2/item/1669-80-of-diseases-suffered-by-nigerians-due-to-open-defecation-says-official