Henrik Ullum

Statens Serum Institut

SCHOLARLY PAPERS

6

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Top 15,419

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6,239

SSRN CITATIONS

6

CROSSREF CITATIONS

1

Scholarly Papers (6)

1.

Risk of Reinfection, Vaccine Protection, and Severity of Infection with the BA.5 Omicron Subvariant: A Danish Nation-Wide Population-Based Study

Number of pages: 21 Posted: 18 Jul 2022
Statens Serum Institut - Infectious Disease Epidemiology & Prevention, Statens Serum Institut - Infectious Disease Epidemiology & Prevention, Statens Serum Institut - Department of Epidemiology Research, Statens Serum Institut - Department of Bacteria, Parasites and Fungi, Statens Serum Institut - Virus Research & Development Laboratory, Statens Serum Institut - Department of Virus and Microbiological Special Diagnostics, Statens Serum Institut - Infectious Disease Epidemiology & Prevention, Statens Serum Institut - Department of Epidemiology Research, Statens Serum Institut - Infectious Disease Epidemiology & Prevention, Statens Serum Institut, Statens Serum Institut, Statens Serum Institut and Statens Serum Institut - Infectious Disease Epidemiology & Prevention
Downloads 3,751 (5,832)
Citation 12

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Infectious diseases, covid-19, vaccine effectiveness, SARS-CoV-2, epidemiology, risk factors

2.

Reduced Risk of Hospitalisation Associated With Infection With SARS-CoV-2 Omicron Relative to Delta: A Danish Cohort Study

Number of pages: 27 Posted: 14 Jan 2022
Statens Serum Institut - Department of Epidemiology Research, Statens Serum Institut, Imperial College London - NIHR Health Protection Research Unit for Modelling and Health Economics, Statens Serum Institut, Statens Serum Institut, affiliation not provided to SSRN, Statens Serum Institut - Department of Bacteria, Parasites and Fungi, Statens Serum Institut, Statens Serum Institut, Statens Serum Institut, Statens Serum Institut - Infectious Disease Epidemiology & Prevention, affiliation not provided to SSRN, Statens Serum Institut - Infectious Disease Epidemiology & Prevention, affiliation not provided to SSRN, Statens Serum Institut, affiliation not provided to SSRN, Statens Serum Institut - Department of Data Management and Analysis, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, University of Copenhagen - Department of Public Health, University of Copenhagen - Department of Respiratory Medicine and Infectious Diseases, Statens Serum Institut - Department of Virus and Microbiological Special Diagnostics, Roskilde University - Department of Science and Environment, affiliation not provided to SSRN, Roskilde University - Department of Science and Environment, affiliation not provided to SSRN, affiliation not provided to SSRN, Aalborg University Hospital, University of Copenhagen - Hvidovre Hospital, University of Copenhagen - Copenhagen University Hospital, Aarhus University - Department of Infectious Diseases, Odense University Hospital, affiliation not provided to SSRN, affiliation not provided to SSRN, Statens Serum Institut - Department of Virus and Microbiological Special Diagnostics, Statens Serum Institut - Virus Research & Development Laboratory, Statens Serum Institut - Virus Research & Development Laboratory, Statens Serum Institut, Statens Serum Institut, affiliation not provided to SSRN, Statens Serum Institut, affiliation not provided to SSRN, Statens Serum Institut, affiliation not provided to SSRN and Statens Serum Institut
Downloads 1,466 (25,648)
Citation 8

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covid-19, SARS-CoV-2, virus, hospital admission, epidemiology

3.

Effectiveness of the XBB.1.5 updated COVID-19 vaccine against hospitalisation: a nation-wide cohort study in Denmark, October 2023

Number of pages: 3 Posted: 22 Nov 2023
Statens Serum Institut - Infectious Disease Epidemiology & Prevention, Statens Serum Institut, Statens Serum Institut - Virus Research & Development Laboratory, Statens Serum Institut - Infectious Disease Epidemiology & Prevention, Statens Serum Institut - Infectious Disease Epidemiology & Prevention and Statens Serum Institut
Downloads 635 (81,692)
Citation 1

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Vaccine effectiveness, SARS-CoV-2, COVID-19, negative control outcome, cohort analysis

4.

Relative Vaccine Protection, Disease Severity and Symptoms Associated with Infection with SARS-CoV-2 Omicron Subvariant Ba.2.86 and Descendent Jn.1: A Danish Nationwide Register-Based Study

Number of pages: 30 Posted: 08 Feb 2024
Statens Serum Institut, Statens Serum Institut - Department of Epidemiology Research, Statens Serum Institut, Statens Serum Institut, Statens Serum Institut, Statens Serum Institut - Department of Epidemiology Research, Statens Serum Institut - Department of Data Management and Analysis, Statens Serum Institut, Statens Serum Institut - Virus Research & Development Laboratory, Statens Serum Institut, Statens Serum Institut - Virus Research & Development Laboratory, Statens Serum Institut, Statens Serum Institut, Statens Serum Institut, Statens Serum Institut, Herlev Hospital, Southwest Jutland Hospital, Aarhus University - Department of Infectious Diseases, Vejle Hospital, Odense University Hospital, Odense University Hospital, University of Copenhagen - Hvidovre Hospital, Zealand University Hospital, Slagelse University Hospital, Aalborg University Hospital, University of Southern Denmark, Statens Serum Institut, Statens Serum Institut, Statens Serum Institut - Infectious Disease Epidemiology & Prevention, Statens Serum Institut - Infectious Disease Epidemiology & Prevention, Statens Serum Institut - Virus Research & Development Laboratory and Statens Serum Institut - Infectious Disease Epidemiology & Prevention
Downloads 254 (231,604)
Citation 1

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COVID-19, variant, severity, vaccine effectiveness

5.

Persistent Symptoms and Sequelae after SARS-CoV-2 Infection Not Requiring Hospitalization: Results from Testing Denmark, a Danish Cross-Sectional Survey

Number of pages: 18 Posted: 17 Mar 2022
Roskilde University - Department of Science and Environment, University of Copenhagen - Department of Cardiology, Statens Serum Institut - Infectious Disease Epidemiology & Prevention, University of Copenhagen - Department of Cardiology, Aalborg University - Department of Infectious Diseases, Aarhus University - Department of Infectious Diseases, Statens Serum Institut, University of Copenhagen - Department of Clinical Medicine, Statens Serum Institut, University of Copenhagen - Department of Clinical Immunology, Statens Serum Institut, Odense University Hospital - Department of Infectious Diseases, Statens Serum Institut - Department of Virus and Microbiological Special Diagnostics, Statens Serum Institut, Zealand University Hospital - Department of Infectious Diseases, University of Copenhagen - Department of Public Health, Statens Serums Institut - Department of Infectious Disease Epidemiology, University of Copenhagen - Department of Infectious Diseases, University of Copenhagen - Department of Cardiology, University of Copenhagen - Department of Clinical Medicine, University of Copenhagen - Department of Clinical Medicine, Statens Serum Institut - Infectious Disease Epidemiology & Prevention, Aarhus University - Department of Clinical Immunology, Statens Serum Institut, Statens Serum Institut - Infectious Disease Epidemiology & Prevention, Statens Serum Institut, Statens Serum Institut, Roskilde University - Department of Science and Environment and University of Copenhagen - Department of Clinical Medicine
Downloads 88 (550,740)

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COVID-19, SARS-CoV-2, long-COVID, post-COVID syndrome, Post-Acute Sequelae of SARS-CoV-2 infection, PASC, point-of-care-test, POCT, cross-sectional survey, quality of life, Health-related quality of life, SF-12, short-form-12, Testing Denmark, Denmark, propensity scores, Odds ratio, matching, risk factors

6.

Estimation of the Seroprevalence and Infection Fatality Rate of the SARS-CoV-2 Omicron Variant Using Antibody Screening of Danish Blood Donors

Number of pages: 24 Posted: 16 May 2022
Aarhus University - Department of Clinical Immunology, Statens Serum Institut, Aarhus University - Department of Clinical Immunology, Aarhus University - Department of Clinical Immunology, Aarhus University - Department of Clinical Immunology, Aarhus University - Department of Clinical Immunology, Aarhus University - Department of Clinical Immunology, Aarhus University - Department of Clinical Immunology, Statens Serum Institut - Infectious Disease Epidemiology & Prevention, Odense University Hospital - Department of Clinical Immunology, Odense University Hospital - Department of Clinical Immunology, University of Copenhagen - Department of Clinical Immunology, University of Copenhagen - Department of Clinical Immunology, Zealand University Hospital - Department of Clinical Immunology, University of Copenhagen - Department of Clinical Immunology, Zealand University Hospital - Department of Clinical Immunology, University of Copenhagen - Department of Clinical Immunology, University of Copenhagen - Department of Clinical Immunology, Aalborg University Hospital - Department of Clinical Immunology, Aarhus University - Department of Clinical Immunology, Vitalant Research Institute, Statens Serum Institut, Statens Serum Institut, Statens Serum Institut, University of Copenhagen - Department of Clinical Medicine, Statens Serum Institut - Infectious Disease Epidemiology & Prevention and Zealand University Hospital - Department of Clinical Immunology
Downloads 45 (769,664)

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