Cryptosporidium infestation.
D000293:Adolescent; D000328:Adult; D000818:Animals; D002648:Child; D002675:Child, Preschool; D003457:Cryptosporidiosis; D003458:Cryptosporidium / Q000302:isolation & purification; D005759:Gastroenteritis; D006801:Humans; D007223:Infant