[Development of the prevalence rate of four intestinal parasites in children].

During the last 2 decades, the same coprological techniques for the detection of parasites have been applied by the same team in the parasitology laboratories of the Children's Hospital of Bordeaux. A marked decrease in the prevalence of the most frequently occurring parasites (Giardia and Entamoeba coli cysts, Ascaris and Trichocephale eggs) has been observed. Similar results have also been found in other French parasitology laboratories.

[Urban and rural malaria in Niger. The case of the Department of Maradi].

In Niger, two communities, a urban one (Maradi) and a rural one (Tarna), living in a same malarious Soudano-Sahelian climatic area, were compared during wet and dry seasons by different methods (spleen rate, parasite rate, parasite count, level of immunity). During wet and dry season, spleen rates (0.7% and 2.

[Course of the dermatophytic spectrum in tinea capitis. Apropos of 124 cases seen in Bordeaux].

The purpose of this study was to evaluate the epidemiology of tinea capitis in the Bordeaux area (Dermatology Unit of the Hôpital des Enfants, Bordeaux) during a 6-year period (January, 1979 to December, 1984). Dermatophytic infection of the hair was proven by culture in 124 patients, 21 of whom had a negative potassium hydroxide direct examination. Age and sex distribution are shown in figure 1.

[Critical study of an interdisciplinary survey of urinary schistosomiasis in Burkina Faso].

We consider an approach to built on a score summarizing some demographic, social, geographic and parasitologic data for purpose of measuring the health impact of schistosomiasis. Operational definitions are given for the social, ecological and medical variables and for the survey design. Twenty villages from the Bam-Kongoussi district were kept for the survey, giving a sample of 11,396 peoples.