An extended family with giardiasis.
D000328:Adult; D002648:Child; D002675:Child, Preschool; D004386:Duodenum / Q000469:parasitology; D005243:Feces / Q000469:parasitology; D005260:Female; D005873:Giardiasis / Q000175:diagnosis / Q000235:genetics*; D006801:Humans; D007223:Infant; D007411:Intestinal Diseases, Parasitic / Q000175:diagnosis / Q000235:genetics*; D008297:Male; D009093:Mucus / Q000469:parasitology