primary amebic meningoencephalitis DOID:0050242 GARD:9554 disease_ontology A parasitic protozoa infectious disease that involves infection of the central nervous system caused by Naegleria fowleri. The symptoms include headache, nausea, rigidity of the neck muscles, vomiting, delirium, seizures and coma. Naegleria fowleri infection parasitic protozoa infectious disease central nervous system disease