Eosinophilic radiculomyeloencephalitis: An angiostrongyliasis outbreak in American Samoa related to ingestion of Achatina fulica snails

adolescent american samoa angiostrongylus animals cerebrospinal fluid disease outbreaks drug therapy encephalomyelitis enzymes eosinophilia epidemiology etiology humans immunity immunology mortality nematoda nematoda nematode infections nematode infections nervous system parasitology parastrongylus cantonensis pathology pathology samoa serodiagnosis snails spinal cord thiabendazole