Leptospirosis bacterium still haunts swimming holes

Excerpt from the May 14, 1966, issue of Science News

swimming hole in Oregon

SWIMMER, BEWARE  In the summer of 1966, Science News warned readers of the dangerous bacteria behind leptospirosis lurking in recreational water holes. It, and a deadly amoeba, are still risks today. 

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Danger in ‘swimming hole’  — As warm weather approaches, the old swimming hole will again beckon boys and girls in farm areas.