CDC’s National Center for Emerging

The deaths hit the headlines every summer, sometimes five or six of them across the country. They’re newsworthy for their rarity and for how innocuous the events leading up to them are — it’s usually a young person who was swimming in a lake, got some water up their nose, and within days, was dead. The cause is an amoeba called Naegleria fowleri, which when it infects the brain, causes massive swelling that is almost always fatal. Over the past half-decade, 137 people in the US have died of the infection...

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