In Nigeria at least 400 children have died since March due to lead poisoning and there are potentially 30,000 that could be affected by lead contamination. This contamination is the result of illegal gold mining that is occuring in Nigeria. Many villagers are practicing small scale gold extraction from lead containing ore inside their homes which has led to contaminated soil. The clean up started in June, replacing top soil, but the rainy season in August stopped the clean up process for some time. As for patients the focus are on children but once treated patients should not return to contaminated areas, which often happens.
http://www.cnn.com/2010/WORLD/africa/10/05/nigeria.lead.poisoning/index.html
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