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Sep 6, 2021 · Naegleria fowleri is a free-living amoeba (FLA) that is commonly known as the “brain-eating amoeba.” This parasite can invade the central nervous system (CNS), causing an acute and fulminating infection known as primary amoebic meningoencephalitis (PAM).
Naegleriasis, also known as primary amoebic meningoencephalitis ( PAM ), is an almost invariably fatal infection of the brain by the free-living unicellular eukaryote Naegleria fowleri. Symptoms are meningitis-like and include headache, fever, nausea, vomiting, a stiff neck, confusion, hallucinations and seizures. [6] .
Naegleria fowleri is a free-living ameba* (a single-celled living organism that is too small to be seen without a microscope). From 1962 to 2021, 154 U.S. infections have been reported to CDC, with an average of 2–3 per year. There have only been four U.S. survivors. Sources of Infection and Risk Factors.
