Thea Kølsen Fischer

Thea Kølsen Fischer

Clinical Professor

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    1 - 51 out of 51Page size: 500
    1. 2024
    2. Published

      Changing rates but persisting seasons: patterns of enterovirus infections in hospitalizations and outpatient visits in Denmark 2015-2022

      Johannesen, C. K., Egeskov-cavling, A. M., Jepsen, M. P. G., Lange, Theis, Krause, T. G., Nygaard, Ulrikka & Fischer, Thea Kølsen, 2024, In: Frontiers in Virology. 4, 11 p.

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

    3. 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

    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

      Respiratory Syncytial Virus–Associated Hospitalization in Adults With Comorbidities in 2 European Countries: A Modeling Study

      Osei-Yeboah, R., Johannesen, C. K., Egeskov-Cavling, A. M., Chen, J., Lehtonen, T., Fornes, A. U., Paget, J., Fischer, T. K., Wang, X., Nair, H., Campbell, H., Nohynek, H., Teirlinck, A., van Boven, M., Heikkinen, T., Bont, L., Openshaw, P., Beutels, P., Pollard, A., Kumar, V. & 11 others, Sánchez, A. O., Gideonse, D., Htar, T. T., Vernhes, C., Santos, G. D., Cohen, R., Aerssens, J., Kramer, R., Jollivet, O., Manchin, N. & PROMISE Investigators, P. I., 2024, In: Journal of Infectious Diseases. 229, p. S70-S77 8 p.

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

    6. 2023
    7. 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

    8. Published

      Association of COVID-19 and Development of Type 1 Diabetes: A Danish Nationwide Register Study

      Zareini, B., Sørensen, Kathrine Kold, Eiken, P. A., Fischer, Thea Kølsen, Kristensen, Peter Lommer, Lendorf, M. E., Pedersen-Bjergaard, Ulrik, Torp-Pedersen, Christian & Nolsoe, R. L. M., 2023, In: Diabetes Care. 46, 8, p. 1477-1482 6 p.

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

    9. 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, Lars Erik Vølund, 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

    10. Published

      High titers of neutralizing SARS-CoV-2 antibodies six months after symptom onset are associated with increased severity in COVID-19 hospitalized patients

      Sejdic, A., Frische, A., Jørgensen, C. S., Rasmussen, L. D., Trebbien, R., Dungu, A., Holler, J. G., Ostrowski, Sisse Rye, Eriksson, R., Søborg, C., Nielsen, T. L., Fischer, Thea Kølsen, Lindegaard, Birgitte, Franck, K. T. & Harboe, Zitta F B Barrella, 2023, In: Virology Journal. 20, 1, 12 p., 14.

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

    11. 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

    12. Published

      Implementation of Intelligent Physical Exercise Training at a Danish Hospital—A Qualitative Study of Employees’ Barriers and Facilitators for Participation

      Pultz, C. J., Lohse, T. M., Justesen, J. B., Særvoll, C. A., Møller, S. F., Lindegaard, Birgitte, Fischer, Thea Kølsen, Dalager, T. & Mølsted, Stig, 2023, In: International Journal of Environmental Research and Public Health. 20, 22, 13 p., 7085.

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

    13. Published

      New perspectives on respiratory syncytial virus surveillance at the national level: lessons from the COVID-19 pandemic

      Teirlinck, A. C., Johannesen, C. K., Broberg, E. K., Penttinen, P., Campbell, H., Nair, H., Reeves, R. M., Bøås, H., Brytting, M., Cai, W., Carnahan, A. S., Casalegno, J. S., Danis, K., De Gascun, C., Ellis, J., Emborg, H. D., Gijon, M., Guiomar, R., Hirve, S. S., Jiřincová, H. & 19 others, Nohynek, H., Oliva, J. A., Osei-Yeboah, R., Paget, J., Pakarna, G., Pebody, R., Presser, L., Rapp, M., Reiche, J., Rodrigues, A. P., Seppälä, E., Socan, M., Szymanski, K., Trebbien, R., Večeřová, J., van der Werf, S., Zambon, M., Meijer, A. & Fischer, Thea Kølsen, 2023, In: European Respiratory Journal. 61, 4, 7 p., 2201569.

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

    14. Published

      Persistent Symptoms and Sequelae After Severe Acute Respiratory Syndrome Coronavirus 2 Infection Not Requiring Hospitalization: Results From Testing Denmark, a Danish Cross-sectional Survey

      van Wijhe, M., Fogh, K., Ethelberg, S., Iversen, K. K., Nielsen, H., Østergaard, L., Andersen, B., Bundgaard, H., Jorgensen, C. S., Scharff, B. F. S. S., Ellermann-Eriksen, S., Johansen, I. S., Fomsgaard, A., Krause, T. G., Wiese, L., Fischer, T. K., Molbak, K., Benfield, T., Folke, F., Lippert, F. & 9 others, Ostrowski, Sisse Rye, Koch, A., Erikstrup, C., Vangsted, A., Sorensen, A. I. V., Ullum, H., Skov, R. L., Simonsen, L. & Nielsen, Susanne Dam, 2023, In: Open Forum Infectious Diseases. 10, 1, 10 p., 679.

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

    15. 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

    16. 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

    17. 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

    18. 2022
    19. Published

      A Retrospective Cohort Study on Infant Respiratory Tract Infection Hospitalizations and Recurrent Wheeze and Asthma Risk: Impact of Respiratory Syncytial Virus

      van Wijhe, M., Johannesen, C. K., Simonsen, L., Jørgensen, Inger Merete & Fischer, Thea Kølsen, 2022, In: Journal of Infectious Diseases. 226, SUPPL 1, p. S55-S62 8 p.

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

    20. Published

      Characteristics associated with serological COVID-19 vaccine response and durability in an older population with significant comorbidity: the Danish Nationwide ENFORCE Study

      Søgaard, O. S., Reekie, J., Johansen, I. S., Nielsen, H., Benfield, T., Wiese, L., Stærke, N. B., Iversen, K., Fogh, K., Bodilsen, J., Iversen, M., Knudsen, L. S., Klastrup, V., Larsen, F. D., Andersen, S. D., Hvidt, A. K., Andreasen, S. R., Madsen, L. W., Lindvig, S. O., Øvrehus, A. & 11 others, Ostrowski, Sisse Rye, Abildgaard, C., Matthews, C., Jensen, T. O., Raben, D., Erikstrup, C., Fischer, Thea Kølsen, Tolstrup, M., Østergaard, L., Lundgren, Jens & ENFORCE Writing Group, E. W. G., 2022, In: Clinical Microbiology and Infection. 28, 4, p. 1126-1133 8 p.

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

    21. Published

      Effect of Influenza Vaccination on Risk of Coronavirus Disease 2019: A Prospective Cohort Study of 46 000 Healthcare Workers( )

      Kristensen, J. H., Hasselbalch, R. B., Pries-Heje, M., Nielsen, P. B., Knudsen, A. D., Fogh, K., Norsk, J. B., Eiken, A., Andersen, O., Fischer, T. K., Jensen, C. A. J., Torp-Pedersen, C., Rungby, J., Ditlev, S. B., Hageman, I., Mogelvang, R., Gybel-Brask, M., Dessau, R. B., Sørensen, E., Harritshøj, L. & 9 others, Folke, Fredrik, Moller, M. E. E., Benfield, Thomas, Ullum, H., Jorgensen, C. S., Ostrowski, Sisse Rye, Nielsen, Susanne Dam, Bundgård, Henning & Iversen, Kasper, 2022, In: Journal of Infectious Diseases. 226, 1, p. 6-10 5 p.

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

    22. Published

      Exercise Training During Working Hours at a Hospital Department: A Pilot Study

      Mølsted, Stig, Justesen, J. B., Møller, S. F., Særvoll, C. A., Krogh-Madsen, Rikke, Pedersen, Bente Klarlund, Fischer, Thea Kølsen, Dalager, T. & Lindegaard, Birgitte, 2022, In: Journal of Occupational and Environmental Medicine. 64, 11, p. E744-E750

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

    23. 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

    24. Published

      Levels of SARS-CoV-2 antibodies among fully vaccinated individuals with Delta or Omicron variant breakthrough infections

      Staerke, N. B., Reekie, J., Nielsen, H., Benfield, T., Wiese, L., Knudsen, L. S., Iversen, M. B., Iversen, K., Fogh, K., Bodilsen, J., Juhl, M. R., Lindvig, S. O., Ovrehus, A., Madsen, L. W., Klastrup, V., Andersen, S. D., Juhl, A. K., Andreasen, S. R., Ostrowski, S. R., Erikstrup, C. & 6 others, Fischer, Thea Kølsen, Tolstrup, M., Østergaard, L., Johansen, I. S., Lundgren, Jens & Sogaard, O. S., 2022, In: Nature Communications. 13, 1, 8 p., 4466.

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

    25. Published

      Prevalence and duration of anti-SARS-CoV-2 antibodies in healthcare workers

      Johannesen, C. K., Martin, G. S., Lendorf, M. E., Garred, Peter, Fyfe, A., Paton, R. S., Thompson, C., Mølsted, Stig, Kann, C. E., Jensen, C. A., Hansen, Cecilie Bo, Løkkegaard, Ellen Christine Leth, Christensen, T. B., Simmonds, P. & Fischer, Thea Kølsen, 2022, In: Danish Medical Journal. 69, 5, 9 p., A11210843.

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

    26. Published

      Risk factors for fatigue and impaired function eight months after hospital admission with COVID-19

      Schouborg, L. B., Mølsted, Stig, Lendorf, M. E., Hegelund, M. H., Ryrsø, C. K., Sommer, D. H., Kolte, L., Nolsöe, R. L., Pedersen, T. I., Harboe, Z. B., Browatzki, A., Brandi, L., Krog, S. M., Bestle, Morten Heiberg, Jørgensen, Inger Merete, Jensen, T. Ø., Fischer, Thea Kølsen, Pedersen-Bjergaard, Ulrik & Lindegaard, Birgitte, 2022, In: Danish Medical Journal. 69, 4, 9 p., A08210633.

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

    27. 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

    28. 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

    29. 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

    30. 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

    31. 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

    32. 2021
    33. 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

    34. 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

    35. 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

    36. Published

      Identification of risk factors associated with national transmission and late presentation of HIV-1, Denmark, 2009 to 2017

      van Wijhe, M., Fischer, Thea Kølsen & Fonager, J., 2021, In: Eurosurveillance. 26, 47, 9 p.

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

    37. Published

      Impact analysis of rotavirus vaccination in various geographic regions in Western Europe

      Verberk, J. D. M., van Dongen, J. A. P., van de Kassteele, J., Andrews, N. J., van Gaalen, R. D., Hahne, S. J. M., Vennema, H., Ramsay, M., Braeckman, T., Ladhani, S., Thomas, S. L., Walker, J. L., de Melker, H. E., Fischer, Thea Kølsen, Koch, J. & Bruijning-Verhagen, P., 2021, In: Vaccine. 39, 45, p. 6671-6681 11 p.

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

    38. 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

    39. Published

      Response to influenza vaccination in immunocompromised children with rheumatic disease: a prospective cohort study

      Jensen, L., Nielsen, S., Christensen, A. E., Pedersen, F. K., Trebbien, R., Fischer, Thea Kølsen, Rosthøj, Susanne, Toftedal, P., Bohr, A. H., Wehner, P. S. & Poulsen, A., 2021, In: Pediatric Rheumatology . 19, 1, 11 p., 26.

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

    40. Published

      Risk Factors for Being Seronegative following SARS-CoV-2 Infection in a Large Cohort of Health Care Workers in Denmark

      Johannesen, C. K., Rezahosseini, O., Gybel-Brask, M., Kristensen, J. H., Hasselbalch, R. B., Pries-Heje, M. M., Nielsen, P. B., Knudsen, A. D., Fogh, K., Norsk, J. B., Andersen, O., Jensen, C. A. J., Torp-Pedersen, C., Rungby, J., Ditlev, S. B., Hageman, I., Mogelvang, R., Dessau, R. B., Sørensen, E., Harritshoj, L. H. & 11 others, Folke, Fredrik, Sten, C., Moller, M. E. E., Engsig, F. N., Ullum, H., Jorgensen, C. S., Ostrowski, Sisse Rye, Bundgård, Henning, Iversen, Kasper, Fischer, Thea Kølsen & Nielsen, Susanne Dam, 2021, In: Microbiology Spectrum. 9, 2

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

    41. 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

    42. 2020
    43. 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

    44. 2017
    45. 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

    46. 2016
    47. Published

      Azithromycin for episodes with asthma-like symptoms in young children aged 1-3 years: a randomised, double-blind, placebo-controlled trial

      Stokholm, Jakob, Chawes, B. L., Vissing, N. H., Bjarnadóttir, E., Pedersen, T. M., Vinding, R. K., Schoos, Ann-Marie Malby, Wolsk, H. M., Thorsteinsdóttir, S., Hallas, H. W., Arianto, L., Schjørring, S., Krogfelt, K. A., Fischer, Thea Kølsen, Pipper, C. B., Bønnelykke, Klaus & Bisgaard, H., Jan 2016, In: The Lancet Respiratory Medicine. 4, 1, p. 19–26 8 p.

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

    48. 2012
    49. Published

      Bottle-feeding and the risk of pyloric stenosis

      Krogh, C., Biggar, R. J., Fischer, Thea Kølsen, Lindholm, M., Wohlfahrt, J. & Melbye, M., Oct 2012, In: Pediatrics. 130, 4, p. e943-e949

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

    50. Published

      Pre- and perinatal risk factors for pyloric stenosis and their influence on the male predominance

      Krogh, C., Gørtz, S., Wohlfahrt, J., Biggar, R. J., Melbye, M. & Fischer, Thea Kølsen, 1 Jul 2012, In: American Journal of Epidemiology. 176, 1, p. 24-31 8 p.

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

    51. Published

      Reduced price on rotavirus vaccines: enough to facilitate access where most needed?

      Madsen, L. B., Ustrup, M., Fischer, Thea Kølsen, Bygbjerg, Ib Christian & Konradsen, Flemming, Jan 2012, In: Bulletin of the World Health Organization. 90, 7, p. 554-556 3 p.

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

    52. 2011
    53. Published

      Testosterone levels in umbilical-cord blood and risk of pyloric stenosis

      Krogh, C., Cohen, A. S., Basit, S., Hougaard, D. M., Biggar, R. J., Wohlfahrt, J., Melbye, M. & Fischer, Thea Kølsen, Jan 2011, In: Pediatrics. 127, 1, p. e197-e201

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

    54. 2010
    55. 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

    56. 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

    57. Published

      Påvisning af rotavirusinfektioner blandt danske småbørn

      Nielsen, N. M., Paerregaard, A., Fischer, Thea Kølsen, Nielsen, N. M., Paerregaard, A. & Fischer, T. K., 26 Jul 2010, In: Ugeskrift for Laeger. 172, 30, p. 2116-20 5 p.

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

    58. 2009
    59. Published

      Listeriameningitis på Epidemiklinikken, Rigshospitalet 1983-2006

      St-Martin, G., Fischer, Thea Kølsen, Skinhøj, P., St-Martin, G., Fischer, T. K. & Skinhøj, P., 10 Aug 2009, In: Ugeskrift for læger. 171, 33, p. 2287-90 4 p.

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

    60. 2007
    61. 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

    62. 2005
    63. Published

      Seroprevalence and risk factors for Helicobacter pylori infection in Greenlanders

      Koch, A., Krause, Tyra Grove, Krogfelt, K., Olsen, O. R., Fischer, Thea Kølsen & Melbye, M., 2005, In: Helicobacter. 10, 5, p. 433-442 10 p.

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

    64. 2004
    65. 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

    ID: 32021591