| Sexually transmitted hepatitis C virus infections: current trends, and recent advances in understanding the spread in men who have sex with men BM Nijmeijer, J Koopsen, J Schinkel, M Prins, TBH Geijtenbeek Journal of the International AIDS Society 22, e25348, 2019 | 117 | 2019 |
| High incidence of HCV in HIV-negative men who have sex with men using pre-exposure prophylaxis E Hoornenborg, L Coyer, A Boyd, RCA Achterbergh, MFS van der Loeff, ... Journal of hepatology 72 (5), 855-864, 2020 | 76 | 2020 |
| Serologic surveillance and phylogenetic analysis of SARS-CoV-2 infection among hospital health care workers JJ Sikkens, DTP Buis, EJG Peters, M Dekker, M Schinkel, TDY Reijnders, ... JAMA network open 4 (7), e2118554-e2118554, 2021 | 46 | 2021 |
| Chronic hepatitis B and C infections in the Netherlands: estimated prevalence in risk groups and the general population J Koopsen, JE Van Steenbergen, JH Richardus, M Prins, ELMO de Coul, ... Epidemiology & Infection 147, e147, 2019 | 45* | 2019 |
| Cost-effectiveness of screening for chronic hepatitis B and C among migrant populations in a low endemic country AWM Suijkerbuijk, AJ Van Hoek, J Koopsen, RA De Man, MJJ Mangen, ... PloS one 13 (11), e0207037, 2018 | 39 | 2018 |
| Induction of cross-neutralizing antibodies by a permuted hepatitis C virus glycoprotein nanoparticle vaccine candidate K Sliepen, L Radić, J Capella-Pujol, Y Watanabe, I Zon, A Chumbe, ... Nature Communications 13 (1), 7271, 2022 | 32 | 2022 |
| Regional importation and asymmetric within-country spread of SARS-CoV-2 variants of concern in the Netherlands AX Han, E Kozanli, J Koopsen, H Vennema, K Hajji, A Kroneman, ... Elife 11, e78770, 2022 | 16 | 2022 |
| Ultrastructural aspects of foreign body giant cells generated on different substrates B Ten Harkel, J Koopsen, SM van Putten, H van Veen, DI Picavet, ... Journal of structural biology 195 (1), 31-40, 2016 | 16 | 2016 |
| Hepatitis C virus transmission among men who have sex with men in amsterdam: external introductions may complicate microelimination efforts J Koopsen, E Parker, AX Han, T van de Laar, C Russell, E Hoornenborg, ... Clinical Infectious Diseases 72 (12), e1056-e1063, 2021 | 11* | 2021 |
| Epidemiologic and genomic analysis of SARS-CoV-2 delta variant superspreading event in nightclub, The Netherlands, June 2021 J Koopsen, CE van Ewijk, R Bavalia, A Cornelissen, SM Bruisten, ... Emerging infectious diseases 28 (5), 1012, 2022 | 10 | 2022 |
| Hepatitis C virus transmission between eight high-income countries among men who have sex with men: A whole-genome analysis J Koopsen, G Matthews, J Rockstroh, TL Applegate, S Bhagani, A Rauch, ... The Lancet Microbe 4 (8), e622-e631, 2023 | 8 | 2023 |
| 8 weeks of sofosbuvir/ledipasvir is effective in DAA-naive non-cirrhotic HCV genotype 4 infected patients (HEPNED-001 study) A Boerekamps, T Vanwolleghem, M van der Valk, GE van den Berk, ... Journal of Hepatology 70 (3), 554-557, 2019 | 8 | 2019 |
| Risk of SARS-CoV-2 transmission upon return to work in RNA-positive healthcare workers LM Kolodziej, S Hordijk, J Koopsen, JJ Maas, HT Thung, IJB Spijkerman, ... Journal of Hospital Infection 124, 72-78, 2022 | 6 | 2022 |
| Amsterdam PrEP Project team in the HIV Transmission Elimination AMsterdam (H-TEAM) Initiative. High incidence of HCV in HIV-negative men who have sex with men using pre … E Hoornenborg, L Coyer, A Boyd, RCA Achterbergh, ... J Hepatol 72 (5), 855-864, 2020 | 5 | 2020 |
| Rapid reinfection with SARS-CoV-2 variant-of-concern Alpha detected in a nurse during an outbreak at a non-covid inpatient ward: lessons learned J Koopsen, M Dekker, P Thung, M Jonges, H Vennema, T Leenstra, ... Antimicrobial Resistance & Infection Control 10, 1-6, 2021 | 4 | 2021 |
| Serologic surveillance and phylogenetic analysis of SARS-CoV-2 infection among hospital health care workers. JAMA Netw Open 4: e2118554 JJ Sikkens, DTP Buis, EJG Peters, M Dekker, M Schinkel, TDY Reijnders, ... | 3 | 2021 |
| Sexually transmitted hepatitis C virus infections BM Nijmeijer, J Koopsen, J Schinkel, M Prins, TBH Geijtenbeek Journal of the International Aids Society 22, 2019 | 2 | 2019 |
| Hemithyroidectomy Versus Dunhill for Surgical Treatment of Asymmetrical Multinodular Goiter CR Lap, J Koopsen Annals of Surgery 262 (1), e24, 2015 | 1 | 2015 |
| 23rd International BioInformatics Workshop on Virus Evolution and Molecular Epidemiology| S7 J Koopsen, C Russell, M van der Valk, J Schinkel | 1* | |
| SARS-CoV-2 infection and vaccination status in six ethnic groups in Amsterdam, The Netherlands, May to November 2022 SL Campman, A Boyd, J Schinkel, L Coyer, C Agyemang, H Galenkamp, ... Epidemiology & Infection 153, e23, 2025 | | 2025 |