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

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

[Epidemiological study on Hymenolepis nana infection in Ciego de Avila Province, Cuba]. / Estudio epidemiológico de la infección por Hymenolepis nana en la provincia de Ciego de Avila, Cuba.

An epidemiological study on H. nana infection was carried out in Ciego de Avila province, Cuba, from 1981 to 1995. In this 15 years period 3,108,422 stool samples were examined for parasites, H. nana eggs were found in 250 (0.008%). Seasonal influence of this parasitism was not detected. There were more cases in children than in adults, with males prevailing over females. The more frequent symptoms and signs were abdominal pain, diarrhea and anorexia which relationships with food habits, dwelling characteristics, children day care center and school orchards are analyzed.