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Zamfara State lead poisoning epidemic
A series of lead poisonings in Zamfara State, Nigeria, led to the deaths of at least 163 people between March and June 2010, including 111 children. Health ministry figures state the discovery of 355 cases,〔 with 46 percent proving fatal.
== Findings ==
An annual immunization programme in Northern Nigeria led to the discovery of a high number of child deaths in the area. An investigation〔 showed that they had been digging for gold at the times of their deaths, in an area where lead is prevalent.〔 It was thought by the villagers that all the children had contracted malaria but Médecins Sans Frontières (MSF) found unusually high levels of lead in the blood during tests.〔 The BBC suggested the contamination of water may have contributed to the high mortality rate.〔 Blacksmith Institute was called in by the Nigerian authorities to assist in the removal of toxic lead.
It is thought that the poisonings were caused by the illegal extraction of ore by villagers, who take crushed rock home with them to extract.〔 This results in the soil being contaminated from lead which then poisons people through hand-to-mouth contamination.〔 Others have been contaminated by contact with contaminated tools and water.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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