Florida teen battles rare brain-eating amoeba infection after beach visit

In the warmth of a Florida summer, a thirteen-year-old boy's ordinary beach outing became an encounter with one of nature's most unforgiving organisms. Naegleria fowleri — a microscopic inhabitant of warm freshwater — entered Caleb Ziegelbauer's body through his nose and began attacking his brain, placing him in intensive care and his family in the agonizing space between hope and grief. His case arrives alongside a fatal one in Missouri, reminding us that the natural world carries dangers invisible to the eye, and that the line between a summer afternoon and a medical crisis can be vanishingl