Ulrikka Nygaard

Ulrikka Nygaard

Clinical Associate Professor

Member of:

  • Paediatrics


  1. 2022
  2. Published

    Risk factors for neonatal sepsis in Sub-Saharan Africa: A systematic review with meta-analysis

    Bech, C. M., Stensgaard, C. N., Lund, S., Holm-Hansen, C., Brok, J. S., Nygaard, Ulrikka & Poulsen, Anne, 2022, In: BMJ Open. 12, 9, e054491.

    Research output: Contribution to journalReviewResearchpeer-review

  3. Published

    Acute symptoms in SARS-CoV-2 positive adolescents aged 15–18 years – Results from a Danish national cross-sectional survey study

    Berg, Selina Kikkenborg, Palm, P., Nielsen, Susanne Dam, Nygaard, Ulrikka, Bundgård, Henning, Rotvig, C. & Christensen, A. V., 2022, In: The Lancet Regional Health - Europe. 16, 10 p., 100354.

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published

    Short- and Long-Term Self-Reported Symptoms in Adolescents Aged 12–19 Years after Vaccination against SARS-CoV-2 Compared to Adolescents Not Vaccinated—A Danish Retrospective Cohort Study

    Berg, Selina Kikkenborg, Wallach-Kildemoes, H., Rasmussen, L. R., Nygaard, Ulrikka, Bundgård, Henning, Petersen, M. N. S., Hammer, C. B., Ersbøll, A. K., Thygesen, L. C., Nielsen, Susanne Dam & Christensen, A. V., 2022, In: Vaccines. 10, 11, 1863.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    Multisystem inflammatory syndrome in a male adolescent after his second Pfizer-BioNTech COVID-19 vaccine

    Chai, Q., Nygaard, Ulrikka, Schmidt, R. C., Zaremba, T., Møller, A. M. & Thorvig, C. M., 2022, In: Acta Paediatrica, International Journal of Paediatrics. 111, 1, p. 125-127 3 p.

    Research output: Contribution to journalComment/debateResearchpeer-review

  6. Published

    Risk and Phenotype of Multisystem Inflammatory Syndrome in Vaccinated and Unvaccinated Danish Children before and during the Omicron Wave

    Holm, M., Espenhain, L., Glenthøj, J., Schmidt, Lisbeth Samsø, Nordly, S. B., Hartling, U. B. & Nygaard, Ulrikka, 2022, In: JAMA Pediatrics. 176, 8, p. 821-823

    Research output: Contribution to journalLetterResearchpeer-review

  7. Published

    Long COVID symptoms in SARS-CoV-2-positive adolescents and matched controls (LongCOVIDKidsDK): a national, cross-sectional study

    Berg, Selina Kikkenborg, Nielsen, S. D., Nygaard, Ulrikka, Bundgård, Henning, Palm, P., Rotvig, C. & Christensen, A. V., 2022, In: The Lancet Child and Adolescent Health. 6, 4, p. 240-248 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    Long COVID symptoms in SARS-CoV-2-positive children aged 0–14 years and matched controls in Denmark (LongCOVIDKidsDK): a national, cross-sectional study

    Berg, Selina Kikkenborg, Palm, P., Nygaard, Ulrikka, Bundgård, Henning, Petersen, M. N. S., Rosenkilde, S., Thorsted, A. B., Ersbøll, A. K., Thygesen, L. C., Nielsen, Susanne Dam & Vinggaard Christensen, A., 2022, In: The Lancet Child and Adolescent Health. 6, 9, p. 614-623 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    Herpes simplex-virusinfektion hos nyfødte

    Lund, S., Henriksen, T. B., Poulsen, A., Dungu, K. H. S., Carlsen, E. L. M., Hansen, Bo Mølholm, Aunsholt, Lise & Nygaard, Ulrikka, 2022, In: Ugeskrift for Laeger. 184, 24, 7 p., V11210869.

    Research output: Contribution to journalReviewResearchpeer-review

  10. Published

    Fatal SARS-CoV-2-Associated Panton-Valentine Leukocidin-producing Staphylococcal Bacteremia A Nationwide Multicenter Cohort Study

    Nygaard, Ulrikka, Petersen, A., Larsen, A. R., Rytter, Maren Johanne Heilskov, Hartling, U., Kirkby, N., Hansen, R. N., Nielsen, A. B., Lundstrom, K., Holm, M. & Vissing, N. H., 2022, In: Pediatric Infectious Disease Journal. 41, 4, p. E142-E145 4 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Published

    Incidence and clinical phenotype of multisystem inflammatory syndrome in children after infection with the SARS-CoV-2 delta variant by vaccination status: a Danish nationwide prospective cohort study

    Nygaard, Ulrikka, Holm, M., Hartling, U. B., Glenthøj, J., Schmidt, Lisbeth Samsø, Nordly, S. B., Matthesen, A. T., von Linstow, M. L. & Espenhain, L., 2022, In: The Lancet Child and Adolescent Health. 6, 7, p. 459-465 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

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