Abstract
In general, school-age children are the most vulnerable to parasitic infections and are particularly exposed to multi-parasitism and its potential consequences. This study aimed at determining the intensity of multi-parasitism in Nyong et Mfoumou Division. A cross-sectional study took place from September 2017 to July 2018 among pupils of five (05) government schools from the Nyong et Mfoumou Division. Stool samples were collected from each child and examined for protozoan cysts, helminth eggs and larva while blood samples were collected for detection of Plasmodium sp. and filarial blood stages. In addition, socio-demographic information were documented. In total, 416 schoolchildren were recruited; out of which 309 (74.28%) were infected by at least one parasite species. 13 parasite species were found: 03 blood parasites and 10 intestinal parasites. Plasmodium falciparum was the main blood parasite (37.26%). Amongst intestinal parasites, Entamoeba coli were the most common among protozoa (29.33%) and Ascaris lumbricoides among helminths (21.39%). The frequency of multi-parasitism was 44.47% and the average species reach was 1.43 ± 0.01 per individual. Four types of multi-parasitism were found (bi-parasitism, tri-parasitism, quadri-parasitism and penta-parasitism); the bi-parasitism (26.68%) was the most common. Significantly statistic associations were found between parasite species such as: Entamoeba coli, Entamoeba histolytica/dispar, Ascaris lumbricoides, Trichuris trichiura can be explained by the same means of transmission. Association between Ascaris lumbricoides and Mansonella perstans could be a synergic interaction between these parasites. We conclude that the intensity of multiparasitism among schoolchildren in Nyong et Mfoumou Division is high with predominance in rural areas.
Highlights
More than 80% of all living species described to date are parasites (Vaumourin et al, 2015)
Material and Methods 2.1 Study Area We conducted a cross-sectional study from September 2017 to July 2018 in Akonolinga, the capital of Nyong et Mfoumou Division in the Centre Region of Cameroon
Children aged from 4 to 7 years and from 12 to 15 years be more frequent in urban areas with 68 and 76 children against 67 and 36 children in rural areas respectively
Summary
More than 80% of all living species described to date are parasites (Vaumourin et al, 2015). They are great in diversity and parasitize a wide range of hosts they often share together. Co-infective parasites interact directly or indirectly through several interspecific mechanisms. These interactions can affect the host’s health because they modify a large number of factors including the host’s susceptibility to other parasites, duration of infection, risks of transmission, clinical signs, therapeutic success and control strategies (Vaumourin et al, 2015)
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