title: Venezuelan equine encephalomyelitis: surveys of human illness during an epizootic in Guatemala and El Salvador.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000906:Antibodies / Q000032:analysis; D002648:Child; D002675:Child, Preschool; D003168:Complement Fixation Tests; D004196:Disease Outbreaks; D006801:Humans
chemical_list: D000906:Antibodies