Prevalencia de parasitosis intestinales en círculos infantiles de la provincia Ciego de Avila, Cuba: 1989-1993 / Prevalence of intestinal parasitic infections in nursery schools from Ciego de Avila Province, Cuba: 1989-1993

The prevalence of intestinal parasitsm in nursery school from Ciego de Avila province was annually avaluated during 1989-1993. The percentage of infected children ranged from 16.6 percent to 31.6 percent. An increase of frequence of infection was observer from 1991. Protozoa were more predominant than helminths. In the whole five-year period studied giardia intestinalis had a higher prevalence (19.6 percent) followed by entamoeba histolytica (3.0 percent). The nematode most frequently found was trichuris trichiura (0.5 percent)