Plasmodium falciparum, Schistosoma mansoni and Amebiasis Co-Infections: Synergetic and Antagonistic Effect on Anemia in Cameroonian School Children. -

School children aged 3-15 years were enrolled in a cross-sectional study in Yoro village, of the Central region of Cameroon. Stool samples were examined for Schistosoma mansoni eggs using Kato Katz technique. The formol ether technique was used to identify protozoan cysts. Blood samples were examined for malaria parasites and hemoglobin concentrations using the Giemsa stain and Haemoque methods, respectively. Out of 254 children examined, 161 (63.4%) were infected with any parasites (P. falciparum, S. mansoni, E. histolytica and E. coli) among whom, 120 (74.5%) had single infection while 41 (25.5%) had multiple infections. P. falciparum parasitaemia was significantly higher in males compared to females (P