Publications

Prevalence of epilepsy in Ndom Health District (Littoral Region, Cameroon) after long-term ivermectin-based preventive chemotherapy for the control of onchocerciasis

Arnauld Efon-Ekangouo, Hugues C. Nana-Djeunga, Philippe Nwane, Elvis Lisongue-Tonga, André Domche, Laurentine Sumo, Mike Yaw Osei-Atweneboana, Anne Geiger, Joseph Kamgno Published Online: October 2022; https://doi.org/10.1016/j.yebeh.2022.108939

Exposition of Intermediate Hosts of Schistosomes to Niclosamide (Bayluscide WP 70) Revealed Significant Variations in Mortality Rates: Implications for Vector Control

Alvine Christelle Kengne Fokam, Laurentine Sumo, Mohamed Bagayan, Hugues Clotaire Nana-Djeunga , Thomas Kuete, Gabriella S. Ondoua Nganjou, Murielle Carole Tchami Mbagnia, Linda Djune-Yemeli, Charles Sinclair Wondji and Flobert Njiokou Published Online: October 2022; DOI: 10.5897/AJB2022.17505

Status of Onchocerca volvulus (Spirurida: Onchocercidae) Transmission and Effect of Climatic Variables on the Vector Population Dynamics After Two Decades of Ivermectin-based Preventive Chemotherapy in the Mbam Valley (Centre Region, Cameroon)

André Domche, Philippe B Nwane, Hugues C Nana Djeunga, Guy R Njitchouang, Sébastien D Pion, Michel Boussinesq, Flobert Njiokou, Joseph Kamgno. Published Online: September 2022; DOI: 10.5897/AJB2022.17505

Prevalence of drug resistance and genetic characterization of Mycobacterium tuberculosis complex strains from pulmonary tuberculosis patients co-infected with malaria at Jamot Hospital in Yaoundé.

Lionel Ulrich Tiani, Axel Cyriaque Ambassa, Jean Paul Assam Assam, Genevieve Andoseh, Francis Zeukeng, Cedric Tchinda Fossi, Tsasse Martine Augusta Flore, Leonard Nkah Numfor, Hortense Gonsu Kamga, Charles Kouanfack, Eric Walter Pefura Yone, Marceline Djuidje Ngounoue, Jude Daiga Bigoga, Francine Ntoumi and Véronique Penlap Beng.<br> Published Online: September 2022; DOI: 10.5897/AJB2022.17505

Prevalence of Hepatitis B and Tuberculosis among People Living with HIV (PLHIV) in Cameroon.
Kamdem Thiomo Diane, Djuidje Ngounoue Marceline, Tchinda Fossi Cedric, Kenfack Momo Raoul, Martin Ndinakie Yakum, Ambassa Axel Cyriaque, Tsasse Martine Augusta Flore, Assam Assam Jean Paul, Pr Penlap Beng Veronique. Published Online: September 2022; DOI:10.5897/AJB2022.17505

Hugues C. Nana-Djeunga, Capucine M. Sicard,2 Aude E. Mogoung-Wafo, Cedric B. Chesnais, Hugo Deleglise, Rufine Touka-Nounkeu, Andre Domche, Allison Golden, Amy D. Klion, Thomas B. Nutman, Michel Boussinesq, Joseph Kamgno, and Sebastien D. Pion: The SD Bioline^® IgG4 rapid diagnostic test (RDT) detects IgG4 antibodies induced by the Onchocerca volvulus-specific antigen Ov16. We evaluated the stability of the RDT results over 1 month, at different time points after completion of each assay, using eluted dried blood spots collected in central Cameroon. Published Online: 01 Aug 2022; https://doi.org/10.4269/ajtmh.21-1201

Linda Djune-Yemeli, André Domché, Hugues C. Nana-Djeunga, Cyrille Donfo-Azafack, Cedric G. Lenou-Nanga, Palmer Masumbe-Netongo, Joseph Kamgno. Relationship between skin snip and Ov16 ELISA: Two diagnostic tools for onchocerciasis in a focus in Cameroon after two decades of ivermectin-based preventive chemotherapy.  Published: May 2, 2022. https://doi.org/10.1371/journal.pntd.0010380

Hugues C. Nana‑Djeunga , Linda Djune‑Yemeli1, André Domche, Cyrille Donfo‑Azafack1, Arnauld Efon‑Ekangouo, Cédric Lenou‑Nanga, Narcisse Nzune‑Toche, Yves Aubin Balog, Jean Gabin Bopda, Stève Mbickmen‑Tchana, Velavan P.Thirumalaisamy, Véronique Penlap‑Beng,Francine Ntoumi, and Joseph Kamgno.High infection rates for onchocerciasis and soil‑transmitted helminthiasis in children under fve not receiving preventive chemotherapy: a bottleneck to elimination. https://idpjournal.biomedcentral.com/articles/10.1186/s40249-022-00973-1

Efon Ekangouo A, Nana Djeunga HC, Sempere G, Kamgno J, Njiokou F, Moundipa Fewou P, Geiger A (2022). Bacteriome diversity of blackflies’ gut and association with Onchocerca volvulus, the causative agent of onchocerciasis in Mbam Valley (Center Region, Cameroon). Pathogens 11, 44. https://doi.org/10.3390/pathogens11010044.

Domche, A., Nana-Djeunga, H.C., Yemeli, L.D. et al. Knowledge/perception and attitude/practices of populations of two first-line communities of the Centre Region of Cameroon regarding onchocerciasis and black fly nuisance and bio-ecology. Parasites Vectors 14, 546 (2021). https://doi.org/10.1186/s13071-021-05048-y.

Kowo, M. P., Frungwa, C. N., Njonnou, S. R. S., Andoulo, F. A., Ndam, A. W. N., Yemeli, L. D., … & Kamgno, J. (2021). Epidemiologic Patterns of HIV, Hepatitis B and C Virus Infections Among Refugees of the Mbile Camp in the East Region of Cameroon. Journal of Gastroenterology and Hepatology Research, 10(3), 3524-3530.

Sumo L, Ngum H. Ntonifor, Afor-Aza’ah R, Bopda J, Bamou Heumou R, Ondoua Nganjou GS, Nana‑Djeunga HC (2021). Loiasis is endemic in the Ndikinimeki Health District (Centre Region, Cameroon) but does not represent a hindrance to onchocerciasis elimination. Acta Tropica 225 (2022): 106218. https://doi.org/10.1016/j.actatropica.2021.106218.

Sumo L, Ngum H. Ntonifor, Lenou‑Nanga CG, Chenkumo‑Kengmoni N, Amana‑Bokagne VT, Awah CG, Niamsi‑Emalio Y, Nana‑Djeunga HC (2021). An Integrated Approach to Assess Knowledge/Perceptions and Attitudes/Practices (KAP) Regarding Major Neglected Tropical Diseases Endemic in the Mbengwi Health District, North West Region, Cameroon. Journal of Epidemiology and Global Health; https://doi.org/10.1007/s44197-021-00010-8.

Niamsi-Emalio Y*, Nana-Djeunga HC*, Chesnais CB, Pion SDS, Tchatchueng-Mbougua JB, Boussinesq M, Basáñez MG, Kamgno J (2021). Unusual Localization of Blood-Borne Loa loa Microfilariae in the Skin Depends on Microfilarial Density in the Blood: Implications for Onchocerciasis Diagnosis in Coendemic Areas. Clinical Infectious Diseases 72(Suppl 3): S158-S164. doi: 10.1093/cid/ciab255.

Njitchouang GR, Domche A, Sumo L, Sondi-Dissake JC, Lenou-Nanga CG, Acho A, Nana-Djeunga HC (2021). Awareness of sleeping sickness by the populations of the Bipindi historic focus: Lessons for ownership and sustainability of control interventions. Journal of Public Health and Epidemiology 13(2), 80-87. doi: 10.5897/JPHE2021.1312

Pion SD, Nana-Djeunga HC, Niamsi-Emalio Y, Chesnais CB, Deléglise H, Mackenzie C, Stolk W, Fletcher DA, Klion AD, Nutman TB, Boussinesq M, Kamgno J (2020). Implications for annual retesting after a test-and-not-treat strategy for onchocerciasis elimination in areas co-endemic with Loa loa infection: an observational cohort study. Lancet Infectious Diseases 20(1):102-109. doi: 10.1016/S1473-3099(19)30554-7.

Lenk EJ, Moungui HC, Boussinesq M, Kamgno J, Nana-Djeunga HC, Fitzpatrick C, Peultier AMM, Klion AD, Fletcher DA, Nutman TB, Pion SD, Niamsi-Emalio Y, Redekop WK, Severens JL, Stolk WA (2020). A Test-and-Not-Treat Strategy for Onchocerciasis Elimination in Loa loa-coendemic Areas: Cost Analysis of a Pilot in the Soa Health District, Cameroon. Clinical Infectious Diseases 70(8):1628-1635. doi: 10.1093/cid/ciz461.

Kamgno J, Tchatchueng-Mbougua JB, Nana-Djeunga HC, Esso L, Zouré HG, Mackenzie CD, Boussinesq M (2020). Community-based door to door census of suspected people living with epilepsy: empowering community drug distributors to improve the provision of care to rural communities in Cameroon. BMC Public Health 20(1):871. doi: 10.1186/s12889-020-08997-8.

Linda Djune-Yemeli, Hugues C. Nana-Djeunga, Cedric G. Lenou-Nanga et al. Serious limitations of the current strategy to control Soil Transmitted Helminths and added value of ivermectin/Albendazole mass administration: A population-based observational study in Cameroon. PLoS Negl Trop Dis 14(11): e0008794. https://doi.org/10.1371/journal.pntd.0008794. 

Endomba FT, Wafeu GS, Efon-Ekangouo A, Djune-Yemeli L, Donfo-Azafack C, Nana-Djeunga HC, et al. Support for families of isolated or deceased COVID-19 patients in sub-Saharan Africa. Health Psychology Open. juill 2020;7(2):205510292097529

Wafeu GS, Fozeu L, Ongolo-zogo P, Menanga AP, Njamnshi AK. Medium-term Survival Following of Stroke in Yaoundé (Cameroon): a prospective observational cohort study. Journal of Stroke and Cerebrovascular Diseases. 1 sept 2020;29(9):105060

Kamgno J, Nana Djeunga HC, Pion SDS, Chesnais CB, Klion AD, Mackenzie CD, Nutman TB, Boussinesq M (2018). Operationalization of the test and not treat strategy to accelerate the elimination of onchocerciasis and lymphatic filariasis in Central Africa. International Health 10 (suppl_1): i49-i53. doi: 10.1093/inthealth/ihx051.

Wafeu GS. Guide pratique d’initiation à la recherche quantitative en santé. Yaoundé; 2018. 363 p.

Kamgno J*, Pion S*, Chesnais C, Bakalar M, D’Ambrosio M, Mackenzie CD, Nana-Djeunga HC, Gounoue-Kamkumo R, Njitchouang GR, Nwane P, Tchatchueng-Mbougua JB, Wanji S, Stolk WA, Fletcher DA, Klion AD, Nutman TB, Boussinesq M (2017). “Test and not treat” for onchocerciasis control in a Loa loa endemic area. New England Journal of Medicine. doi: 10.1056/NEJMoa1705026.