[Incidence of intestinal protozoal infection in traveller's diarrhoea].
D000293:Adolescent; D000328:Adult; D000818:Animals; D002648:Child; D003967:Diarrhea / Q000469:parasitology*; D005872:Giardia / Q000302:isolation & purification; D005873:Giardiasis / Q000453:epidemiology / Q000469:parasitology; D006801:Humans; D007411:Intestinal Diseases, Parasitic / Q000453:epidemiology* / Q000469:parasitology; D011528:Protozoan Infections / Q000453:epidemiology* / Q000469:parasitology; D014195:Travel