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

Caleb Ziegelbauer was thirteen years old when he went to the beach in Port Charlotte, Florida, on July 1st with his family. A week later, he developed headaches and hallucinations severe enough that his parents rushed him to the emergency room. Doctors ran tests and found something that most people have never heard of and hope never to encounter: Naegleria fowleri, the organism commonly called the brain-eating amoeba, had entered his body through his nose and begun infecting his brain.

The amoeba is a single-celled organism that lives in warm freshwater. It causes a disease called primary amebic meningoencephalitis, or PAM. The CDC classifies it as extremely rare, but the rarity offers little comfort to those who contract it. The infection begins with symptoms that mimic meningitis—headache, fever, nausea, vomiting—then progresses to stiff neck, confusion, loss of balance, seizures, and hallucinations. This resemblance to meningitis matters because it delayed recognition of what was actually happening to Caleb. His aunt Katie Chiet later explained to reporters that the similarity between the two conditions meant the family didn't immediately connect his symptoms to the beach visit.

Caleb was admitted to Golisano Children's Hospital, where he entered the intensive care unit. By mid-July, sixteen days after his initial hospitalization, his aunt posted an update on Facebook describing a teenager fighting for his life in a minimally conscious state. He had been removed from a ventilator and was breathing on his own, but an MRI showed inflammation spreading through his brain, particularly near the nasal canal where the amoeba had entered. His parents kept vigil at his bedside.

The uncertainty was perhaps the cruelest part. Chiet described the experience as lonely and isolating, not knowing whether her nephew was on a path toward recovery or waiting for his condition to worsen. "It's day 17 and Caleb is still breathing on his own," she said. "Are we in the clear? Are we on the path to healing? Are we waiting for something else to happen?" Another aunt, Elizabeth Ziegelbauer, spoke of her nephew's character—his kindness, his strength—and the battle he was waging inside his own body.

The timing of Caleb's case was grim. Earlier in July, a Missouri resident had contracted the same amoeba after exposure at Lake of Three Fires in Iowa. That case was detected, the beach was closed, and less than two weeks later, the person died. The infection is not common, but when it arrives, it often proves fatal. Cases do increase during periods of prolonged heat, when water levels drop and temperatures rise in freshwater bodies—conditions that make the organism more active and more likely to encounter swimmers.

Caleb's family had sought medical care, which gave them a chance. Many people, Chiet noted, don't reach a hospital quickly enough. But even with rapid hospitalization and intensive treatment, the outcome remained unknown. At day seventeen, he was still fighting, still breathing on his own, still in a minimally conscious state—and his family was still waiting to learn whether that would be enough.