Thea Kølsen Fischer

Thea Kølsen Fischer

Clinical Professor

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    1. Published

      SARS-CoV-2 vaccine-induced antibodies protect against Omicron breakthrough infection

      ENFORCE Study Group, E. S. G., 2023, In: iScience. 26, 9, 13 p., 107621.

      Research output: Contribution to journal › Journal article › Research › peer-review

    2. Published

      Risk of hospitalisation associated with infection with SARS-CoV-2 omicron variant versus delta variant in Denmark: an observational cohort study

      Bager, P., Wohlfahrt, J., Bhatt, S., Stegger, M., Legarth, R., Møller, C. H., Skov, R. L., Valentiner-Branth, P., Voldstedlund, M., Fischer, T. K., Simonsen, L., Kirkby, N. S., Thomsen, M. K., Spiess, K., Marving, E., Larsen, N. B., Lillebaek, T., Ullum, H., Mølbak, K., Krause, T. G. & 28 others, Edslev, S. M., Sieber, R. N., Ingham, A. C., Overvad, M., Agermose Gram, M., Kristensen Lomholt, F., Hallundbæk, L., Hjorth Espensen, C., Gubbels, S., Karakis, M., Lauenborg Møller, K., Schytte Olsen, S., Harboe, Zitta F B Barrella, Klint Johannesen, C., van Wijhe, M., Holler, J. G., Dessau, R. B. C., Barfred Friis, M., Fuglsang-Damgaard, D., Pinholt, M., Vognbjerg Sydenham, T., Coia, J. E., Marmolin, E. S., Fomsgaard, A., Fonager, J., Rasmussen, M., Cohen, A. & the Omicron-Delta study group, T. O. S. G., 2022, In: The Lancet Infectious Diseases. 22, 7, p. 967-976 10 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    3. Published

      Household Exposure to Severe Acute Respiratory Syndrome Coronavirus 2 and Association With Coronavirus Disease 2019 Severity: A Danish Nationwide Cohort Study

      Broccia, M., de Knegt, Victoria Elizabeth, Mills, E. H. A., Møller, Amalie Lykkemark, Gnesin, F., Fischer, Thea Kølsen, Zylyftari, N., Blomberg, S. N., Andersen, M. P., Schou, Morten, Fosbøl, E., Kragholm, K., Christensen, Helle Collatz, Polcwiartek, L. B., Phelps, M., Køber, L. & Torp-Pedersen, Christian, 2022, In: Clinical infectious diseases : an official publication of the Infectious Diseases Society of America. 74, 1, p. 1-7 7 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    4. Published

      Parechovirus A Circulation and Testing Capacities in Europe, 2015–2021

      Bubba, L., Broberg, E. K., Fischer, Thea Kølsen, Simmonds, P. & Harvala, H., 2024, In: Emerging Infectious Diseases. 30, 2, p. 234-244 11 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    5. Published

      Mapping of serological testing and SARS-CoV-2 seroprevalence studies performed in 20 European countries, March-June 2020

      Bubba, L., Simmonds, P., Fischer, Thea Kølsen, Harvala, H. & ESCV ENPES Study Grp, E. E. S. G., 2021, In: Journal of Global Health. 11, 21 p., 05014.

      Research output: Contribution to journal › Journal article › Research › peer-review

    6. Published

      Wastewater Surveillance in Europe for Non-Polio Enteroviruses and Beyond

      Bubba, L., Benschop, K. S. M., Blomqvist, S., Duizer, E., Martin, J., Shaw, A. G., Bailly, J., Rasmussen, L. D., Baicus, A., Fischer, Thea Kølsen & Harvala, H., 2023, In: Microorganisms. 11, 10, 11 p.

      Research output: Contribution to journal › Review › Research › peer-review

    7. Published

      Hospitalisation at Home of Patients with COVID-19: A Qualitative Study of User Experiences

      Cerdan de las Heras, J., Andersen, S. L., Matthies, S., Sandreva, T. V., Johannesen, C. K., Nielsen, T. L., Fuglebjerg, N., Catalan-Matamoros, D., Hansen, D. G. & Fischer, Thea Kølsen, 2023, In: International Journal of Environmental Research and Public Health. 20, 2, 17 p., 1287.

      Research output: Contribution to journal › Journal article › Research › peer-review

    8. Published

      The effect of high-dose vitamin A supplementation given with bacille Calmette-Guérin vaccine at birth on infant rotavirus infection and diarrhea: a randomized prospective study from Guinea-Bissau

      Diness, B. R., Christoffersen, D., Pedersen, U. B., Rodrigues, A., Fischer, Thea Kølsen, Andersen, A., Whittle, H., Yazdanbakhsh, M., Aaby, P. & Benn, C. S., 1 Sep 2010, In: Journal of Infectious Diseases. 202 Suppl, p. S243-51

      Research output: Contribution to journal › Journal article › Research › peer-review

    9. E-pub ahead of print

      Genome-Wide Association study of susceptibility to respiratory syncytial virus hospitalization in young children < 5 years of age

      Egeskov-Cavling, A. M., van Wijhe, M., Yakimov, V., Johannesen, C. K., Pollard, A. J., Trebbien, R., Bybjerg-Grauholm, J., Fischer, Thea Kølsen & RESCEU investigators , R. I., 2024, (E-pub ahead of print) In: The Journal of Infectious Diseases. 9 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    10. Published

      Epidemiologi, klinik og behandling af SARS-CoV-2-infektion hos børn

      Erdal, T. L., Fischer, Thea Kølsen & Benfield, Thomas, 2021, In: Ugeskrift for Laeger. 183, 5, 8 p., V10200787.

      Research output: Contribution to journal › Letter › Research › peer-review

    11. Published

      SARS-CoV-2 antibody prevalence among homeless people and shelter workers in Denmark: a nationwide cross-sectional study

      Eriksen, A. R. R., Fogh, K., Hasselbalch, R. B., Bundgaard, H., Nielsen, S. D., Jorgensen, C. S., Scharff, B. F. S. S., Erikstrup, C., Saekmose, S. G., Holm, D. K., Aagaard, B., Kristensen, J. H., Bodker, C. A., Norsk, J. B., Nielsen, P. B., ostergaard, L., Ellermann-Eriksen, S., Andersen, B., Nielsen, H., Johansen, I. S. & 15 others, Wiese, L., Simonsen, L., Fischer, Thea Kølsen, Folke, Fredrik, Lippert, F., Ostrowski, Sisse Rye, Ethelberg, S., Koch, A., Vangsted, A., Krause, T., Fomsgaard, A., Nielsen, C., Ullum, H., Skov, R. & Iversen, Kasper, 2022, In: BMC Public Health. 22, 1261.

      Research output: Contribution to journal › Journal article › Research › peer-review

    12. Published

      The importance of enterovirus surveillance in a post-polio world

      Fischer, Thea Kølsen, Simmonds, P. & Harvala, H., 2022, In: Lancet Infectious Diseases. 22, 1, p. E35-E40 6 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    13. Published

      Kawasaki syndrome in Denmark

      Fischer, Thea Kølsen, Holman, R. C., Yorita, K. L., Belay, E. D., Melbye, M. & Koch, A., May 2007, In: Pediatric Infectious Disease Journal. 26, 5, p. 411-415 5 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    14. Published

      Intussusception in early childhood: A cohort study of 1.7 million children

      Fischer, Thea Kølsen, Bihrmann, K., Perch, Michael, Koch, A., Wohlfahrt, J., Kåre, M. & Melbye, M., Sep 2004, In: Pediatrics. 114, 3, p. 782-785 4 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    15. Published

      Rotavirus disease in Guinea-Bissau, West Africa: a review of longitudinal community and hospital studies

      Fischer, Thea Kølsen, Aaby, P., Mølbak, Kåre & Rodrigues, A., 1 Sep 2010, In: Journal of Infectious Diseases. 202 Suppl, p. S239-42

      Research output: Contribution to journal › Journal article › Research › peer-review

    16. Published

      A Cross-Sectional Study of SARS-CoV-2 Antibodies and Risk Factors for Seropositivity in Staff in Day Care Facilities and Preschools in Denmark

      Fogh, K., Eriksen, A. R. R., Larsen, T. G., Hasselbalch, R. B., Bundgaard, H., Scharff, B., Nielsen, S. D., Jørgensen, C. S., Erikstrup, C., Østergaard, L., Ellermann-Eriksen, S., Andersen, B., Nielsen, H., Johansen, I. S., Wiese, L., Hindhede, L., Mikkelsen, S., Sækmose, S. G., Aagaard, B., Holm, D. K. & 16 others, Harritshøj, Lene Holm, Simonsen, L., Fischer, Thea Kølsen, Folke, Fredrik, Lippert, F., Ostrowski, Sisse Rye, Benfield, Thomas, Mølbak, Kåre, Ethelberg, Steen, Koch, A., Vangsted, A., Krause, Tyra Grove, Fomsgaard, A., Ullum, H., Skov, R. & Iversen, Kasper, 2023, In: Microbiology Spectrum. 11, 1, 11 p., e0417422.

      Research output: Contribution to journal › Journal article › Research › peer-review

    17. Published

      Seroprevalence of SARS-CoV-2 antibodies in social housing areas in Denmark

      Fogh, K., Eriksen, A. R. R., Hasselbalch, R. B., Kristensen, E. S., Bundgaard, H., Nielsen, S. D., Jorgensen, C. S., Scharff, B. F. S. S., Erikstrup, C., Saekmose, S. G., Holm, D. K., Aagaard, B., Norsk, J., Nielsen, P. B., Kristensen, J. H., Østergaard, L., Ellermann-Eriksen, S., Andersen, B., Nielsen, H., Johansen, I. S. & 15 others, Wiese, L., Simonsen, L., Fischer, Thea Kølsen, Folke, Fredrik, Lippert, F., Ostrowski, Sisse Rye, Ethelberg, Steen, Koch, A., Vangsted, A., Krause, Tyra Grove, Fomsgaard, A., Nielsen, C., Ullum, H., Skov, R. & Iversen, Kasper, 2022, In: BMC Infectious Diseases. 22, 1, 11 p., 143.

      Research output: Contribution to journal › Journal article › Research › peer-review

    18. Published

      Testing Denmark: a Danish Nationwide Surveillance Study of COVID-19

      Fogh, K., Strange, J. E., Scharff, B. F. S. S., Eriksen, A. R. R., Hasselbalch, R. B., Bundgaard, H., Nielsen, S. D., Jorgensen, C. S., Erikstrup, C., Norsk, J., Nielsen, P. B., Kristensen, J. H., Østergaard, L., Ellermann-Eriksen, S., Andersen, B., Nielsen, H., Johansen, I. S., Wiese, L., Simonsen, L., Fischer, T. K. & 14 others, Folke, Fredrik, Lippert, F., Ostrowski, Sisse Rye, Benfield, Thomas, Molbak, K., Ethelberg, Steen, Koch, A., Sonksen, U. W., Vangsted, A., Krause, T. G., Fomsgaard, A., Ullum, H., Skov, R. & Iversen, Kasper, 2021, In: Microbiology Spectrum. 9, 3, 12 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    19. Published

      A universal primer-independent next-generation sequencing approach for investigations of norovirus outbreaks and novel variants

      Fonager, J., Stegger, M., Rasmussen, L. D., Poulsen, M. W., Ronn, J., Andersen, P. S. & Fischer, Thea Kølsen, 2017, In: Scientific Reports. 7, 11 p., 813.

      Research output: Contribution to journal › Journal article › Research › peer-review

    20. Published

      Worksite exercise intervention for hospital health care providers: Outcomes and resource utilization of a pilot study

      Gregson, S. S., Særvoll, C. A., Møller, S. F., Justesen, J. B., Lindegaard, Birgitte, Krogh-Madsen, Rikke, Dalager, T., Fischer, Thea Kølsen, Sopina, L. & Mølsted, Stig, 2023, In: Performance Enhancement and Health. 11, 3, 7 p., 100259.

      Research output: Contribution to journal › Journal article › Research › peer-review

    21. Published

      Clinical progression, disease severity, and mortality among adults hospitalized with COVID-19 caused by the Omicron and Delta SARS-CoV-2 variants: A population-based, matched cohort study

      Harboe, Z. B., Roed, C., Holler, J. G., Khan, F. I., Abdulrahman, A. N. A., Mulverstedt, S. L., Lindgaard-Jensen, B., Bertelsen, B. B., Søborg, C., Nielsen, T. L., Hansen, L. V., Madsen, B. L., Browatzki, A., Eiberg, M., Bernhard, P. H., Pedersen, E. M. J., Egelund, G. B., Dungu, A. M., Sejdic, A., Mathiesen, I. H. M. & 56 others, Jespersen, N. Z., Petersen, P. T., Nielsen, L., Jepsen, M. P. G., Pedersen, T. I., Eriksson, R., Seitz-Rasmussen, H. E. S., Bestle, Morten Heiberg, Andersen, H., Skram, U., Skøtt, M. R., Altaraihi, S., Sivapalan, P., Jensen , Jens-Ulrik Stæhr , Bagge, K., Jørgensen, K. M., Knudsen, M. J. S., Leineweber, T., Schneider, Uffe Vest, Ahlstrom, M. G., Rytter, S., Le Dous, N., Ravn, P., Reiter, N., Podlekareva, D., Knudsen, A., Johnsen, Stine, Kristensen, L. E., Leding, C., Hertz, B. B., Benfield, Thomas, Kirk, Ole, Holler, J. G., Ostrowski, Sisse Rye, Sigurdsson, S. T., Perner, Anders, Kirkby, N., Pedersen, M. S., Van Wijhe, M., Simonsen, L., Bager, P. M., Krause, T. G., Voldstedlund, M., Christiansen, L. E., Stegger, M., Cohen, A., Fonager, J., Fomsgaard, A., Legarth, R., Rasmussen, M., Gubbels, S., Wohlfahrt, J., Lillebaek, Troels, Johannesen, C. K., Van Wijhe, M. & Fischer, Thea Kølsen, 2023, In: PLoS ONE. 18, 4 , 15 p., e0282806.

      Research output: Contribution to journal › Journal article › Research › peer-review

    22. Published

      European Non-Polio Enterovirus Network: Introduction of Hospital-Based Surveillance Network to Understand the True Disease Burden of Non-Polio Enterovirus and Parechovirus Infections in Europe

      Harvala, H., Benschop, K. S. M., Berginc, N., Midgley, S., Wolthers, K., Simmonds, P., Feeney, S., Bailly, J., Mirand, A. & Fischer, Thea Kølsen, 2021, In: Microorganisms. 9, 9, 12 p., 1827.

      Research output: Contribution to journal › Journal article › Research › peer-review

    23. Published

      First wave of COVID-19 hospital admissions in Denmark: a Nationwide population-based cohort study

      Holler, J. G., Eriksson, R., Jensen, T. Ø., van Wijhe, M., Fischer, Thea Kølsen, Søgaard, O. S., Israelsen, S. B., Mohey, R., Fabricius, T., Jøhnk, F., Wiese, L., Johnsen, Stine, Søborg, C., Nielsen, H., Kirk, Ole, Lindegaard, Birgitte & Harboe, Z. B., 2021, In: BMC Infectious Diseases. 21, 1, 16 p., 39.

      Research output: Contribution to journal › Journal article › Research › peer-review

    24. Published

      Seroprevalence of SARS-CoV-2 antibodies and reduced risk of reinfection through 6 months: a Danish observational cohort study of 44 000 healthcare workers

      Iversen, K., Kristensen, J. H., Hasselbalch, R. B., Pries-Heje, M., Nielsen, P. B., Knudsen, A. D., Fogh, K., Norsk, J. B., Andersen, O., Fischer, T. K., Juul Jensen, C. A., Torp-Pedersen, C., Rungby, J., Ditlev, S. B., Hageman, I., Møgelvang, R., Gybel-Brask, M., Dessau, R. B., Sørensen, E., Harritshøj, L. & 10 others, Folke, Fredrik, Sten, C., Engel Møller, M. E., Benfield, Thomas, Ullum, H., Jørgensen, C. S., Erikstrup, C., Ostrowski, Sisse Rye, Nielsen, Susanne Dam & Bundgård, Henning, 2022, In: Clinical Microbiology and Infection. 28, 5, p. 710-717 8 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    25. Published

      Risk of COVID-19 in health-care workers in Denmark: an observational cohort study

      Iversen, K., Bundgaard, H., Hasselbalch, R. B., Kristensen, J. H., Nielsen, P. B., Pries-Heje, M., Knudsen, A. D., Christensen, C. E., Fogh, K., Norsk, J. B., Andersen, O., Fischer, T. K., Jensen, C. A. J., Larsen, M., Torp-Pedersen, C., Rungby, J., Ditlev, S. B., Hageman, I., Møgelvang, R., Hother, C. E. & 8 others, Gybel-Brask, M., Sørensen, E., Harritshøj, Lene Holm, Folke, Fredrik, Sten, C., Benfield, Thomas, Nielsen, Susanne Dam & Ullum, H., Dec 2020, In: The Lancet Infectious Diseases. 20, 12, p. 1401-1408 8 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

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    ID: 32021591