Nigeria needs a more effective sanitation strategy. Here are some ideas. Phys.org, June 5, 2019. 
Our research shows that while community-led total sanitation is effective in Nigeria’s poorer areas, there are two main challenges.
First, community-led total sanitation had no perceivable impact in the wealthier half of our sample. There, open defecation remains widespread. And second, even in poor areas, a large number of households still engaged in open defecation after the intervention.
This suggests that while community-led total sanitation can be better targeted, it needs to be complemented with other policies—subsidies, micro-finance or programmes that promote private sector activity in this under-served market.
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Sanitation Updates 