(Bloomberg) — Gold fever brought death to Umoru Musa’s nine-family compound in Sunke, a mud-brick village in northern Nigeria.  Five of the 25 children, including Musa’s 1-year-old daughter Nafisa, lost their lives in May after villagers ground ore from nearby hills they didn’t know were also loaded with lead. Rising prices for gold promised a windfall. Instead, they helped unleash the deadliest lead-poisoning crisis in modern medical history.

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