In order to fight digestive and urinary parasitoses, a national program of surveillance has been founded. The screening of these parasitoses among the non permanent resident students in Tunisia (ENRPTS) is one of the main actions of this program. Among 2560 ENRPTS tested in the laboratory of Parasitologie of Institut Pasteur of Tunis, between 1998 and 2002, 674 were infected by parasites, which represents a global prévalence of 26.3%. The intestinal protozoa constitute the majority of parasites identified (87.4%). Entamoeba histolytica has been isolated in 89 cases, essentially from students from tropical African countries. Urinary bilharziosis has been diagnosed in 25 cases. These results confirm the utility of the control of the ENRPTS. The precocious tracking permits to avoid the introduction and the dissemination of parasites already absent or rare in our country.
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