Preprint Article Version 1 This version is not peer-reviewed

Baseline Mapping of Schistosomiasis and Soil Transmitted Helminthiasis in the Northern and Eastern Health Regions of Gabon, Central Africa:  Recommendations for Preventive Chemotherapy

Version 1 : Received: 24 August 2018 / Approved: 27 August 2018 / Online: 27 August 2018 (07:49:51 CEST)

A peer-reviewed article of this Preprint also exists.

Mintsa Nguema, R.; Mavoungou, J.F.; Mengue Me Ngou-Milama, K.; Mabicka Mamfoumbi, M.; Koumba, A.A.; Sani Lamine, M.; Diarra, A.; Nkone Asseko, G.; Mourou, J.R.; Bouyou Akotet, M.K.; Moné, H.; Mouahid, G.; Atsame, J. Baseline Mapping of Schistosomiasis and Soil Transmitted Helminthiasis in the Northern and Eastern Health Regions of Gabon, Central Africa: Recommendations for Preventive Chemotherapy. Trop. Med. Infect. Dis. 2018, 3, 119. Mintsa Nguema, R.; Mavoungou, J.F.; Mengue Me Ngou-Milama, K.; Mabicka Mamfoumbi, M.; Koumba, A.A.; Sani Lamine, M.; Diarra, A.; Nkone Asseko, G.; Mourou, J.R.; Bouyou Akotet, M.K.; Moné, H.; Mouahid, G.; Atsame, J. Baseline Mapping of Schistosomiasis and Soil Transmitted Helminthiasis in the Northern and Eastern Health Regions of Gabon, Central Africa: Recommendations for Preventive Chemotherapy. Trop. Med. Infect. Dis. 2018, 3, 119.

Journal reference: Trop. Med. Infect. Dis. 2018, 3, 119
DOI: 10.3390/tropicalmed3040119

Abstract

In order to follow the Preventive Chemotherapy for the transmission control as recommended by WHO, Gabon initiated in 2014 the mapping of Schistosomiasis and Soil Transmitted Helminthiasis (STH). Here we report the results of the Northern and Eastern health regions, representing a third of the land area and 12% of its total population. All the 9 departments of the two regions were surveyed and from each, 5 schools were examined with 50 schoolchildren per school. The parasitological examinations were realized using the filtration method for urine and the Kato-Katz technique for stool samples. Overall 2245 schoolchildren (1116 girls and 1129 boys), mean aged 11.28 ± 0.04 years, were examined. Combined schistosomiasis and STH affected 1270 (56.6%) with variation between regions, departments and schools. For schistosomiasis, prevalence were 1.7% across the two regions, with no significant difference (p>0.05) between the Northern (1.5%) and the Eastern (1.9%). Schistosomiasis is mainly caused by Schistosoma haematobium with a prevalence of 1.5%, 1.9% and 1.7%, respectively in the North, East and globally. STH are more common than schistosomiasis, with an overall prevalence of 56.1% significantly different between the Northern (58.1%) and Eastern (53.6%) regions (p = 0.034). Trichuris trichiura is the most abundant infection with a prevalence of 43.7% followed by Ascaris lumbricoides 35.6% and hookworms 1.4%. According to these results, an appropriate mass drug administration strategy is given for the control of each neglected tropical disease group surveyed.

Subject Areas

schistosomiasis; soil-transmitted-helminthiasis; mapping; preventive chemotherapy; transmission control; Gabon; Central Africa

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