Research manuscripts shared before journal publication. Earlier versions are retained below, with links to published articles where identified.
SERCIK, Ömer; NUGROHO, Marsha; ABRAMS, Steven; VERHASSELT, Anneleen. (2026). Measuring Local Strength of Association between Bivariate Event Times: A Methodological Review. Preprint.
Lewczuk, P., Gressani, O., Abrams, S., Faes, C. (2026). Laplacian-P-splines for shared Gamma frailty models applied to clustered right-censored time-to-event data. arXiv.
Sercik, Ömer; Verhasselt, Anneleen; Abrams, Steven. (2026). Goodness-of-Fit Tests for Copula and Cross Ratio Functions based on Bernstein Estimators. Preprint.
Herman, N., Bosschaert, M., Braeye, T., Willem, L., Abrams, S., Hens, N., Franco, N. (2025). The impact of COVID-19 vaccination on mortality and stringency measures in Belgium: A retrospective analysis. Research Square.
Barth, N., Carstens, G., Kozanli, E., Han, W., Hermans, L., Paolotti, D., Abrams, S., Molenberghs, G., Hens, N., Faes, C., Eggink, D., van Hoek, A. J., Torneri, A. (2025). Population-level associations in the spread of co-circulating respiratory viruses: A multi-method statistical investigation using incidence data. medRxiv.
Gozzi, N., Gioannini, C., Milano, P., Vismara, I., Rossi, L., Quaggiotto, M., Fiandrino, S., Paolotti, D., Vespignani, A., Johnson, H., Grah, R., Funk, S., Sherratt, K., Hens, N., Abrams, S., Bosschaert, M., Celino, F., Zino, L., Rizzo, A., Kandula, S., Freiesleben de Blasio, B., Aalto, A., Proverbio, D., Giordano, G., Gonçalves, J., Li, Y., Perra, N., Omokanye, A., Martin, L. J., Niehus, R., Canevari, J., Bons, E. (2025). Performance evaluation of RespiCast ensemble forecasts for primary care syndromic indicators of viral respiratory disease in Europe during the 2023/24 winter season. medRxiv.
Infectious diseases
Faes, C., Abrams, S., Van Beckhoven, D., Meyfroidt, G., Vlieghe, E., & Hens, N. (2020) "Time between symptom onset, hospitalisation and recovery or death: A statistical analysis of different time-delay distributions in Belgian COVID-19 patients." medRxiv.
Infectious diseases
Willem, L., Abrams, S., Petrof, O., Coletti, P., Kuylen, E., Libin, P., Møgelmose, S., Wambua, J., Herzog, S.A., Faes, C., Beutels, P., & Hens, N. (2020) "The impact of contact tracing and household bubbles on deconfinement strategies for COVID-19: An individual-based modelling study." medRxiv.
Infectious diseases · Immunity and vaccination
Herzog, S., De Bie, J., Abrams, S., Wouters, I., Ekinci, E., Patteet, L., Coppens, A., De Spiegeleer, S., Beutels, P., Van Damme, P., Hens, N., & Theeten, H. (2020) "Seroprevalence of IgG antibodies against SARS coronavirus 2 in Belgium - A serial prospective cross-sectional nationwide study of residual samples." medRxiv.
Infectious diseases
Abrams, S., Wambua, J., Santermans, E., Willem, L., Kuylen, E., Coletti, P., Libin, P., Faes, C., Petrof, O., Herzog, S.A., Beutels, P., & Hens, N. (2020) "Modeling the early phase of the Belgian COVID-19 epidemic using a stochastic compartmental model and studying its implied future trajectories." medRxiv.
Infectious diseases
Coletti, P., Wambua, J., Gimma, A., Willem, L., Vercruysse, S., Vanhoutte, B., Jarvis, C.I., Van Zandvoort, K., Edmunds, J., Beutels, P., & Hens, N. (2020) "CoMix: Comparing mixing patterns in the Belgian population during and after lockdown." medRxiv.
Infectious diseases
Molenberghs, G., Faes, C., Aerts, J., Theeten, H., Devleesschauwer, B., Sierra, N.B., Braeye, T., Renard, F., Herzog, S., Lusyne, P., Van der Heyden, J., Van Oyen, H., Van Damme, P., & Hens, N. (2020) "Belgian COVID-19 Mortality, Excess Deaths, Number of Deaths per Million, and Infection Fatality Rates (8 March - 9 May 2020)." medRxiv.
Infectious diseases · Statistical methods
Mugenyi, L., Herzog, S.A., Hens, N., & Abrams, S. (2018) "Modelling longitudinal binary outcomes with outcome-dependent observation times: An application to a malaria cohort study." bioRxiv.