title: Screening for cryptosporidial infection.
mesh_terms: D000293:Adolescent; D000328:Adult; D002675:Child, Preschool; D003044:Coccidia / Q000302:isolation & purification*; D003457:Cryptosporidiosis / Q000175:diagnosis*; D003458:Cryptosporidium / Q000302:isolation & purification*; D005243:Feces / Q000382:microbiology*; D006801:Humans