Schistosoma mansoni: intensity of infection and morbidity among schoolchildren in Matlapaneng, Ngamiland, Botswana
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Schistosoma mansoni : intensity of infection and morbidity among schoolchildren in Matlapaneng, Ngamiland, Botswana. / Friis, Henrik; Byskov, Jens.
In: Tropical and Geographical Medicine, Vol. 39, No. 3, 1987, p. 251-255.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - Schistosoma mansoni
T2 - intensity of infection and morbidity among schoolchildren in Matlapaneng, Ngamiland, Botswana
AU - Friis, Henrik
AU - Byskov, Jens
PY - 1987
Y1 - 1987
N2 - Recent surveys in Ngamiland, Botswana, indicate increasing prevalence of Schistosoma mansoni infections. With the introduction of a schistosomiasis control programme, 354 of 373 schoolchildren were examined quantitatively for eggs of S. mansoni, and 317 were examined clinically for hepato- and splenomegaly. 80.5% of the children examined parasitologically were found infected. Among these the arithmetric mean egg output was 744.7 and the geometric mean 307.3 eggs per gram of faeces (epg), 46.0% were excreting more than 400 epg. 23 children were found to have an enlarged liver, whereas none was found with enlarged spleen. 21 of these had schistosomiasis. The prevalence of hepatomegaly was highest among those excreting above 1600 epg. Also the mean size of the enlarged livers increased with intensity of infection.
AB - Recent surveys in Ngamiland, Botswana, indicate increasing prevalence of Schistosoma mansoni infections. With the introduction of a schistosomiasis control programme, 354 of 373 schoolchildren were examined quantitatively for eggs of S. mansoni, and 317 were examined clinically for hepato- and splenomegaly. 80.5% of the children examined parasitologically were found infected. Among these the arithmetric mean egg output was 744.7 and the geometric mean 307.3 eggs per gram of faeces (epg), 46.0% were excreting more than 400 epg. 23 children were found to have an enlarged liver, whereas none was found with enlarged spleen. 21 of these had schistosomiasis. The prevalence of hepatomegaly was highest among those excreting above 1600 epg. Also the mean size of the enlarged livers increased with intensity of infection.
KW - Adolescent
KW - Adult
KW - Animals
KW - Botswana
KW - Child
KW - Communicable Disease Control
KW - Feces
KW - Female
KW - Humans
KW - Male
KW - Parasite Egg Count
KW - Rural Population
KW - Schistosoma mansoni
KW - Schistosomiasis mansoni
KW - Sex Factors
KW - Time Factors
M3 - Journal article
C2 - 3124313
VL - 39
SP - 251
EP - 255
JO - Tropical and Geographical Medicine
JF - Tropical and Geographical Medicine
SN - 0041-3232
IS - 3
ER -
ID: 119653655