[Pathogenic free-living amoeba].
D000293:Adolescent; D000328:Adult; D000562:Amebiasis / Q000473:pathology; D000656:Amoeba / Q000472:pathogenicity*; D000818:Animals; D002648:Child; D002675:Child, Preschool; D006801:Humans; D008581:Meningitis / Q000473:pathology; D008875:Middle Aged