Projects per year
Personal profile
Research expertise
The fundamental part of my research aims to understand under what conditions pathogen transmission is more or less efficient in wildlife populations. For most zoonotic pathogens, such information remains largely unknown due to the absence of relevant field data to test these theories. For this purpose, I focus on rodent communities because these mammals can be collected in large numbers, are easily manipulated in experiments and represent a high number of zoonotic reservoirs compared to other mammals. The research includes field experiments, lab work (serology, PCR, Sanger or metagenomic MinION sequencing) and developing statistical models to test hypotheses. I perform this work mainly in collaboration with the Sokoine University of Agriculture in Tanzania. The applied part of my research focuses on the control of rodent and vector-borne diseases. In that context, I have been studying how Lassa virus can be controlled in rodent populations in Guinea and tested the how climate change affects malaria transmission in Burundi and DRC. I also investigated the spread of Monkeypox and Chikungunya virus in DRC, and SARS-COV-2 in Belgium. Currently, I coordinate an international project in which we are investigating how anthropogenic change affects biodiversity and the emergence of infectious diseases in Africa. For this project, I mainly collaborate with the University of Kisangani in DRC.
Keywords
- B280-animal-ecology
- B680-epidemiology
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Collaborations and top research areas from the last five years
Projects
- 4 Active
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Longevity of humoral and cellular immunity induced by vaccination against mpox.
Lopes Ferreira Dantas, P. H. (PhD Student), Mariën, J. (Promotor), Adriaensen, W. (Promotor) & Marchant, A. (Promotor)
15/10/25 → …
Project: PhD-project
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Exploring the Impact of Helminth infections on Virus Dynamics: An integrative approach from Laboratory to Wild Rodent Populations.
van de Ven, M. (PhD Student), Mariën, J. (Promotor) & Leirs, H. (Promotor)
29/05/24 → …
Project: PhD-project
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Restoring nature's health: Investigating the effects of ecosystem restoration on zoonotic disease risk
Vangenechten, C. (PhD Student), Mariën, J. (Promotor), Gryseels, S. (Promotor) & Kirkpatrick, L. (Promotor)
29/05/24 → …
Project: PhD-project
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Zoonotic pathogens: how anthropogenic habitat disturbance impacts the prevalence and diversity.
Cooreman, T. (PhD Student), Mariën, J. (Promotor) & Gryseels, S. (Promotor)
29/05/24 → …
Project: PhD-project
Research output
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Assessing Ebola virus circulation in the Tshuapa province (Democratic Republic of the Congo): A One Health investigation of wildlife and human interactions
Van Vredendaal, R., Joffrin, L., Paviotti, A., Mande, C., Milolo, S., Laurent, N., Fourchault, L., Adroabadrio, D., Baelo, P., Ngoy, S., Ansobi, P., Nebesse, C., Peeters, M., Ayouba, A., Champagne, M., Bouillin, J., Tesikova, J., Van Houtte, N., Gryseels, S. & Salloum, M. & 15 others, , 26-Nov-2025, In: PLoS Pathogens. 21, 11, 18 p., e1013628.Research output: Contribution to journal › A1: Web of Science-article › peer-review
Open Access -
A wide diversity of viruses detected in African mammals involved in the wild meat supply chain
Geraerts, M., Gombeer, S., Nebesse, C., Akaibe, D., Akaibe, D., Baelo, P., Chaber, A.-L., Gaubert, P., Gembu, G.-C., Joffrin, L., Laudisoit, A., Laurent, N., Leirs, H., Mande, C., Marien, J., Ngoy, S., Tesikova, J., Vanderheyden, A., van Vredendaal, R. & Verheyen, E. & 1 others, , Dec-2025, In: PLoS Pathogens. 21, 12, 31 p., e1013643.Research output: Contribution to journal › A1: Web of Science-article › peer-review
Open Access -
Celluloepidemiology-A paradigm for quantifying infectious disease dynamics on a population level
Ha, M., Postovskaya, A., Kuznetsova, M., Meysman, P., Van Deuren, V., Van Ierssel, S., De Reu, H., Schippers, J., Peeters, K., Besbassi, H., Heyndrickx, L., Willems, B., Mariën, J., Bartholomeus, E., Vercauteren, K., Beutels, P., Van Damme, P., Lion, E., Vlieghe, E. & Laukens, K. & 4 others, , 16-May-2025, In: Science Advances. 11, 20, 14 p., eadt2926.Research output: Contribution to journal › A1: Web of Science-article › peer-review
Open Access -
Efficiency of anthelmintic treatment and its effect on microparasite dynamics in wild Mastomys natalensis
van de Ven, M., Vanden Broecke, B., Ribas, A., Leirs, H., Sabuni, C. & Mariën, J., Aug-2025, In: International Journal for Parasitology: Parasites and Wildlife. 27, 9 p., 101098.Research output: Contribution to journal › A1: Web of Science-article › peer-review
Open Access -
Long-term consequences of monkeypox virus infection or modified vaccinia virus Ankara vaccination in Belgium (MPX-COHORT and POQS-FU-PLUS): a 24-month prospective and retrospective cohort study
Van Dijck, C., Berens-Riha, N., Zaeck, L. M., Kremer, C., Verschueren, J., Coppens, J., Vanroye, F., Willems, E., Bosman, E., De Cock, N., Smekens, B., Vandenhove, L., Goovaerts, O., Van Hul, A., Wouters, J., Jacobs, B. K. M., Bracke, S., Hens, M., Brosius, I. & De Vos, E. & 21 others, , 7-Nov-2025, (E-pub ahead of print) In: Lancet Infectious Diseases.Research output: Contribution to journal › A1: Web of Science-article › peer-review