Suspected Infection by "Brain-Eating Amoeba" Naegleria fowleri

Family: "The brain damage was too severe for recovery"

Controversy has arisen in the United States after the death of an 8-year-old girl who passed away following a swim in a lake. Authorities suspect that the girl was infected with what is commonly known as a "brain-eating amoeba."


According to the New York Post on August 24 (local time), Lillian Smart (8) died on the 22nd at a hospital in Ruston, Louisiana after being infected with Naegleria fowleri. This was just one day after her eighth birthday.


In a post shared on Facebook, her family said, “The damage to her brain was so severe that her little body could not recover,” adding, “Everyone did their best to save her. We are in deep grief, and honestly, we do not know what to do next.” They continued, “We have no idea how to take even one step forward without our daughter.”

On the 22nd (local time), Lillian Smart passed away. Health authorities suspect that Lillian was infected with the "brain-eating amoeba." Facebook

On the 22nd (local time), Lillian Smart passed away. Health authorities suspect that Lillian was infected with the "brain-eating amoeba." Facebook

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Previously, Louisiana health authorities announced on the 19th that a resident had been hospitalized after contracting Naegleria fowleri. At the time, the patient's identity was not disclosed.


Later, Lillian’s family revealed on social media that she was in the pediatric intensive care unit at a hospital in Ruston and that the infection originated from Naegleria fowleri. Health officials suspect that the patient was most likely infected while swimming in Lake Claiborne before the onset of symptoms.


Naegleria fowleri, commonly referred to as the "brain-eating amoeba," is primarily found in freshwater and can infect individuals when contaminated water enters the nose. Drinking the water alone does not cause infection. Since 2011, there have been three deaths related to Naegleria fowleri reported in Louisiana.



Although infections with Naegleria fowleri are extremely rare, the fatality rate is known to be very high. In the United States, there have been 167 reported cases over a period of 62 years, from 1962 to 2024. Initial symptoms may include headache, fever, nausea, and vomiting, which can progress to neck stiffness, seizures, and hallucinations. Symptoms usually appear about five days after infection, and once the disease develops, death can occur within one to two weeks.


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