Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation

Search Page

Filters

My NCBI Filters

Text availability

Article attribute

Article type

Publication date

Search Results

210 results

Filters applied: . Clear all
Results are displayed in a computed author sort order. The Results By Year timeline is not available.
Page 1
Effectiveness of Adding a Mask Recommendation to Other Public Health Measures to Prevent SARS-CoV-2 Infection in Danish Mask Wearers : A Randomized Controlled Trial.
Bundgaard H, Bundgaard JS, Raaschou-Pedersen DET, von Buchwald C, Todsen T, Norsk JB, Pries-Heje MM, Vissing CR, Nielsen PB, Winsløw UC, Fogh K, Hasselbalch R, Kristensen JH, Ringgaard A, Porsborg Andersen M, Goecke NB, Trebbien R, Skovgaard K, Benfield T, Ullum H, Torp-Pedersen C, Iversen K. Bundgaard H, et al. Among authors: nielsen pb. Ann Intern Med. 2021 Mar;174(3):335-343. doi: 10.7326/M20-6817. Epub 2020 Nov 18. Ann Intern Med. 2021. PMID: 33205991 Free PMC article. Clinical Trial.
Adjusting Early Warning Score by clinical assessment: a study protocol for a Danish cluster-randomised, multicentre study of an Individual Early Warning Score (I-EWS).
Nielsen PB, Schultz M, Langkjaer CS, Kodal AM, Pedersen NE, Petersen JA, Lange T, Arvig MD, Meyhoff CS, Bestle M, Hølge-Hazelton B, Bunkenborg G, Lippert A, Andersen O, Rasmussen LS, Iversen KK. Nielsen PB, et al. BMJ Open. 2020 Jan 7;10(1):e033676. doi: 10.1136/bmjopen-2019-033676. BMJ Open. 2020. PMID: 31915173 Free PMC article.
Risk of COVID-19 in health-care workers in Denmark: an observational cohort study.
Iversen K, Bundgaard H, Hasselbalch RB, Kristensen JH, Nielsen PB, Pries-Heje M, Knudsen AD, Christensen CE, Fogh K, Norsk JB, Andersen O, Fischer TK, Jensen CAJ, Larsen M, Torp-Pedersen C, Rungby J, Ditlev SB, Hageman I, Møgelvang R, Hother CE, Gybel-Brask M, Sørensen E, Harritshøj L, Folke F, Sten C, Benfield T, Nielsen SD, Ullum H. Iversen K, et al. Among authors: nielsen sd, nielsen pb. Lancet Infect Dis. 2020 Dec;20(12):1401-1408. doi: 10.1016/S1473-3099(20)30589-2. Epub 2020 Aug 3. Lancet Infect Dis. 2020. PMID: 32758438 Free PMC article.
Comparison of 16 Serological SARS-CoV-2 Immunoassays in 16 Clinical Laboratories.
Harritshøj LH, Gybel-Brask M, Afzal S, Kamstrup PR, Jørgensen CS, Thomsen MK, Hilsted L, Friis-Hansen L, Szecsi PB, Pedersen L, Nielsen L, Hansen CB, Garred P, Korsholm TL, Mikkelsen S, Nielsen KO, Møller BK, Hansen AT, Iversen KK, Nielsen PB, Hasselbalch RB, Fogh K, Norsk JB, Kristensen JH, Schønning K, Kirkby NS, Nielsen ACY, Landsy LH, Loftager M, Holm DK, Nilsson AC, Sækmose SG, Grum-Schwensen B, Aagaard B, Jensen TG, Nielsen DM, Ullum H, Dessau RB. Harritshøj LH, et al. Among authors: nielsen l, nielsen acy, nielsen dm, nielsen ko, nielsen pb. J Clin Microbiol. 2021 Apr 20;59(5):e02596-20. doi: 10.1128/JCM.02596-20. Print 2021 Apr 20. J Clin Microbiol. 2021. PMID: 33574119 Free PMC article.
Anti-SARS-CoV-2 Seropositivity Among Medical Students in Copenhagen.
Madsen JR, Nielsen JPS, Fogh K, Hansen CB, Nielsen PB, Lange T, Hasselbalch RB, Garred P, Iversen K. Madsen JR, et al. Among authors: nielsen jps, nielsen pb. Open Forum Infect Dis. 2021 Aug 19;8(8):ofab273. doi: 10.1093/ofid/ofab273. eCollection 2021 Aug. Open Forum Infect Dis. 2021. PMID: 34423066 Free PMC article.
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 JH, Hasselbalch RB, Pries-Heje M, Nielsen PB, Knudsen AD, Fogh K, Norsk JB, Andersen O, Fischer TK, Juul Jensen CA, Torp-Pedersen C, Rungby J, Ditlev SB, Hageman I, Møgelvang R, Gybel-Brask M, Dessau RB, Sørensen E, Harritshøj L, Folke F, Sten C, Engel Møller ME, Benfield T, Ullum H, Jørgensen CS, Erikstrup C, Ostrowski SR, Nielsen SD, Bundgaard H. Iversen K, et al. Among authors: nielsen sd, nielsen pb. Clin Microbiol Infect. 2022 May;28(5):710-717. doi: 10.1016/j.cmi.2021.09.005. Epub 2021 Sep 17. Clin Microbiol Infect. 2022. PMID: 34543759 Free PMC article.
Risk Factors for Being Seronegative following SARS-CoV-2 Infection in a Large Cohort of Health Care Workers in Denmark.
Johannesen CK, Rezahosseini O, Gybel-Brask M, Kristensen JH, Hasselbalch RB, Pries-Heje MM, Nielsen PB, Knudsen AD, Fogh K, Norsk JB, Andersen O, Jensen CAJ, Torp-Pedersen C, Rungby J, Ditlev SB, Hageman I, Møgelvang R, Dessau RB, Sørensen E, Harritshøj LH, Folke F, Sten C, Møller MEE, Engsig FN, Ullum H, Jørgensen CS, Ostrowski SR, Bundgaard H, Iversen KK, Fischer TK, Nielsen SD. Johannesen CK, et al. Among authors: nielsen sd, nielsen pb. Microbiol Spectr. 2021 Oct 31;9(2):e0090421. doi: 10.1128/Spectrum.00904-21. Epub 2021 Oct 20. Microbiol Spectr. 2021. PMID: 34668738 Free PMC article.
Testing Denmark: a Danish Nationwide Surveillance Study of COVID-19.
Fogh K, Strange JE, Scharff BFSS, Eriksen ARR, Hasselbalch RB, Bundgaard H, Nielsen SD, Jørgensen CS, Erikstrup C, Norsk J, Nielsen PB, Kristensen JH, Østergaard L, Ellermann-Eriksen S, Andersen B, Nielsen H, Johansen IS, Wiese L, Simonsen L, Fischer TK, Folke F, Lippert F, Ostrowski SR, Benfield T, Mølbak K, Ethelberg S, Koch A, Sönksen UW, Vangsted AM, Krause TG, Fomsgaard A, Ullum H, Skov R, Iversen K. Fogh K, et al. Among authors: nielsen sd, nielsen h, nielsen pb. Microbiol Spectr. 2021 Dec 22;9(3):e0133021. doi: 10.1128/Spectrum.01330-21. Epub 2021 Dec 15. Microbiol Spectr. 2021. PMID: 34908473 Free PMC article.
Effect of Influenza Vaccination on Risk of Coronavirus Disease 2019: A Prospective Cohort Study of 46 000 Healthcare Workers.
Kristensen JH, Bo Hasselbalch R, Pries-Heje M, Nielsen PB, Dehlbæk Knudsen A, Fogh K, Boesgaard Norsk J, Eiken A, Andersen O, Fischer TK, Juul Jensen CA, Torp-Pedersen C, Rungby J, Ditlev SB, Hageman I, Møgelvang R, Gybel-Brask M, Dessau RB, Sørensen E, Harritshøj L, Folke F, Engel Møller ME, Benfield T, Ullum H, Sværke Jørgensen C, Rye Ostrowski S, Dam Nielsen S, Bundgaard H, Iversen K. Kristensen JH, et al. Among authors: nielsen pb. J Infect Dis. 2022 Aug 12;226(1):6-10. doi: 10.1093/infdis/jiac001. J Infect Dis. 2022. PMID: 34989811 Free PMC article.
210 results