Personal information

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Employment (1)

Statens Serum Institut: Copenhagen, DK

2019-03-01 to present | Senior scientist (Infectious Disease Preparedness)
Employment
Source: Self-asserted source
Charlotte Kristiane Hjulsager

Education and qualifications (1)

DTU Veterinærinstituttet: Frederiksberg, DK

cand.scient Phd (Section for diagnostics and scientific advice)
Education
Source: Self-asserted source
Charlotte Kristiane Hjulsager

Works (50 of 71)

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Transmission dynamics and pathogenesis differ between pheasants and partridges infected with clade 2.3.4.4b H5N8 and H5N1 high-pathogenicity avian influenza viruses

Journal of General Virology
2024-01-30 | Journal article
Contributors: Amanda H. Seekings; Yuan Liang; Caroline J. Warren; Charlotte K. Hjulsager; Saumya S. Thomas; Fabian Z. X. Lean; Alejandro Nunez; Paul Skinner; David Selden; Marco Falchieri et al.
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Crossref

Characterization of high pathogenicity avian influenza H5Nx viruses from a wild harbor seal and red foxes in Denmark, 2021 and 2022

Influenza and Other Respiratory Viruses
2023-10 | Journal article
Contributors: Yuan Liang; Charlotte K. Hjulsager; Tim K. Jensen; Anne Sofie V. Hammer; Maibritt T. Ovesen; Lars E. Larsen
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Crossref

Transmission dynamics and pathogenesis differ between pheasants and partridges infected with clade 2.3.4.4b H5N8 and H5N1 high-pathogenicity avian influenza viruses

2023-09-22 | Preprint
Contributors: Amanda H. Seekings; Yuan Liang; Caroline J. Warren; Charlotte K. Hjulsager; Saumya S. Thomas; Fabian Z. X. Lean; Alejandro Núñez; Paul Skinner; David Selden; Marco Falchieri et al.
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Crossref

Severe Human Case of Zoonotic Infection with Swine-Origin Influenza A Virus, Denmark, 2021.

Emerging infectious diseases
2022-12 | Journal article
Contributors: Andersen KM; Vestergaard LS; Nissen JN; George SJ; Ryt-Hansen P; Hjulsager CK; Krog JS; Skov MN; Alexandersen S; Larsen LE et al.
Source: Self-asserted source
Charlotte Kristiane Hjulsager via Europe PubMed Central

Experimental infection of high health pigs with porcine circovirus type 2 (PCV2) and <i>Lawsonia intracellularis</i>.

Frontiers in veterinary science
2022-10 | Journal article
Contributors: Hansen MS; Jensen TK; Hjulsager CK; Angen Ø; Riber U; Nielsen J; Heegaard PMH; Larsen LE
Source: Self-asserted source
Charlotte Kristiane Hjulsager via Europe PubMed Central

Pathogenesis and infection dynamics of high pathogenicity avian influenza virus (HPAIV) H5N6 (clade 2.3.4.4b) in pheasants and onward transmission to chickens.

Virology
2022-10 | Journal article
Contributors: Liang Y; Hjulsager CK; Seekings AH; Warren CJ; Lean FZX; Núñez A; James J; Thomas SS; Banyard AC; Slomka MJ et al.
Source: Self-asserted source
Charlotte Kristiane Hjulsager via Europe PubMed Central

Has Epizootic Become Enzootic? Evidence for a Fundamental Change in the Infection Dynamics of Highly Pathogenic Avian Influenza in Europe, 2021.

mBio
2022-06 | Journal article
Contributors: Pohlmann A; King J; Fusaro A; Zecchin B; Banyard AC; Brown IH; Byrne AMP; Beerens N; Liang Y; Heutink R et al.
Source: Self-asserted source
Charlotte Kristiane Hjulsager via Europe PubMed Central

Characterization of Influenza D Virus in Danish Calves

Viruses
2022-02-18 | Journal article
Contributors: Nicole B. Goecke; Yuan Liang; Nina D. Otten; Charlotte K. Hjulsager; Lars E. Larsen
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Crossref
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Reassortant Influenza A(H1N1)pdm09 Virus in Elderly Woman, Denmark, January 2021.

Emerging infectious diseases
2021-12 | Journal article
Contributors: Nissen JN; George SJ; Hjulsager CK; Krog JS; Nielsen XC; Madsen TV; Andersen KM; Krause TG; Vestergaard LS; Larsen LE et al.
Source: Self-asserted source
Charlotte Kristiane Hjulsager via Europe PubMed Central

Co-circulation of multiple influenza A reassortants in swine harboring genes from seasonal human and swine influenza viruses

eLife
2021-07-27 | Journal article
Contributors: Pia Ryt-Hansen; Jesper Schak Krog; Solvej Østergaard Breum; Charlotte Kristiane Hjulsager; Anders Gorm Pedersen; Ramona Trebbien; Lars Erik Larsen
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Crossref

Molecular Characterization of Highly Pathogenic Avian Influenza Viruses H5N6 Detected in Denmark in 2018–2019

Viruses
2021-06 | Journal article | Author
Contributors: Yuan Liang; Jesper Schak Krog; Pia Ryt-Hansen; Anders Gorm Pedersen; Lise Kirstine Kvisgaard; Elisabeth Holm; Pernille Dahl Nielsen; Anne Sofie Hammer; Jesper Johannes Madsen; Kasper Thorup et al.
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Multidisciplinary Digital Publishing Institute

Landscape effects and spatial patterns of avian influenza virus in Danish wild birds, 2006-2020.

Transboundary and emerging diseases
2021-05 | Journal article
Contributors: Kjaer LJ; Hjulsager CK; Larsen LE; Boklund AE; Halasa T; Ward MP; Kirkeby CT
Source: Self-asserted source
Charlotte Kristiane Hjulsager via Europe PubMed Central

Novel Clade 2.3.4.4b Highly Pathogenic Avian Influenza A H5N8 and H5N5 Viruses in Denmark, 2020

Viruses
2021-05-11 | Journal article
Contributors: Yuan Liang; Jakob N. Nissen; Jesper S. Krog; Solvej Ø. Breum; Ramona Trebbien; Lars E. Larsen; Charlotte K. Hjulsager
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Crossref

Landscape and spatial patterns of avian influenza virus in Danish wild birds, 2006-2020

2020-11 | Preprint
Contributors: Kjær L; Hjulsager C; Larsen L; Boklund A; Halasa T; Ward M; Kirkeby C
Source: Self-asserted source
Charlotte Kristiane Hjulsager via Europe PubMed Central

Objective pathogen monitoring in nursery and finisher pigs by monthly laboratory diagnostic testing.

Porcine health management
2020-09 | Journal article
Contributors: Goecke NB; Kobberø M; Kusk TK; Hjulsager CK; Pedersen KS; Kristensen CS; Larsen LE
Source: Self-asserted source
Charlotte Kristiane Hjulsager via Europe PubMed Central

Genesis and spread of multiple reassortants during the 2016/2017 H5 avian influenza epidemic in Eurasia.

Proceedings of the National Academy of Sciences of the United States of America
2020-08 | Journal article
Contributors: Lycett SJ; Pohlmann A; Staubach C; Caliendo V; Woolhouse M; Beer M; Kuiken T; Global Consortium for H5N8 and Related Influenza Viruses
Source: Self-asserted source
Charlotte Kristiane Hjulsager via Europe PubMed Central

Co-circulation of multiple influenza A variants in swine harboring genes from seasonal human and swine influenza viruses

2020-07 | Preprint
Contributors: Ryt-Hansen P; Krog JS; Østergaard Breum S; Hjulsager CK; Pedersen AG; Trebbien R; Larsen LE
Source: Self-asserted source
Charlotte Kristiane Hjulsager via Europe PubMed Central

Subtyping of Swine Influenza Using a High-Throughput Real-Time PCR Platform and a Single Microfluidics Device.

Methods in molecular biology (Clifton, N.J.)
2020-01 | Journal article
Contributors: Larsen H; Goecke NB; Hjulsager CK
Source: Self-asserted source
Charlotte Kristiane Hjulsager via Europe PubMed Central

Development of a high-throughput real-time PCR system for detection of enzootic pathogens in pigs.

Journal of veterinary diagnostic investigation : official publication of the American Association of Veterinary Laboratory Diagnosticians, Inc
2019-11 | Journal article
Contributors: Goecke NB; Hjulsager CK; Krog JS; Skovgaard K; Larsen LE
Source: Self-asserted source
Charlotte Kristiane Hjulsager via Europe PubMed Central

Microbiological quality of mink feed raw materials and feed production area.

Acta veterinaria Scandinavica
2019-11 | Journal article
Contributors: Lyhs U; Frandsen H; Andersen B; Nonnemann B; Hjulsager C; Pedersen K; Chriél M
Source: Self-asserted source
Charlotte Kristiane Hjulsager via Europe PubMed Central

Comparison of 2016-17 and Previous Epizootics of Highly Pathogenic Avian Influenza H5 Guangdong Lineage in Europe.

Emerging infectious diseases
2018-12 | Journal article
Contributors: Alarcon P; Brouwer A; Venkatesh D; Duncan D; Dovas CI; Georgiades G; Monne I; Fusaro A; Dan A; Śmietanka K et al.
Source: Self-asserted source
Charlotte Kristiane Hjulsager via Europe PubMed Central

Diarrhoea in neonatal piglets: a case control study on microbiological findings.

Porcine health management
2018-09 | Journal article
Contributors: Kongsted H; Pedersen K; Hjulsager CK; Larsen LE; Pedersen KS; Jorsal SE; Bækbo P
Source: Self-asserted source
Charlotte Kristiane Hjulsager via Europe PubMed Central

Subtyping of Swine Influenza Viruses Using a High-Throughput Real-Time PCR Platform.

Frontiers in cellular and infection microbiology
2018-05 | Journal article
Contributors: Goecke NB; Krog JS; Hjulsager CK; Skovgaard K; Harder TC; Breum SØ; Larsen LE
Source: Self-asserted source
Charlotte Kristiane Hjulsager via Europe PubMed Central

Comparison of serum pools and oral fluid samples for detection of porcine circovirus type 2 by quantitative real-time PCR in finisher pigs.

Porcine health management
2018-02 | Journal article
Contributors: Nielsen GB; Nielsen JP; Haugegaard J; Leth SC; Larsen LE; Kristensen CS; Pedersen KS; Stege H; Hjulsager CK; Houe H
Source: Self-asserted source
Charlotte Kristiane Hjulsager via Europe PubMed Central

Full-genome sequencing of porcine circovirus 3 field strains from Denmark, Italy and Spain demonstrates a high within-Europe genetic heterogeneity.

Transboundary and emerging diseases
2018-02 | Journal article
Contributors: Franzo G; Legnardi M; Hjulsager CK; Klaumann F; Larsen LE; Segales J; Drigo M
Source: Self-asserted source
Charlotte Kristiane Hjulsager via Europe PubMed Central

Evaluation of ELISA and haemagglutination inhibition as screening tests in serosurveillance for H5/H7 avian influenza in commercial chicken flocks.

Epidemiology and infection
2018-01 | Journal article
Contributors: Arnold ME; Slomka MJ; Breed AC; Hjulsager CK; Pritz-Verschuren S; Venema-Kemper S; Bouwstra RJ; Trebbien R; Zohari S; Ceeraz V et al.
Source: Self-asserted source
Charlotte Kristiane Hjulsager via Europe PubMed Central

Efficacy and safety of simultaneous vaccination with two modified live virus vaccines against porcine reproductive and respiratory syndrome virus types 1 and 2 in pigs.

Vaccine
2017-11 | Journal article
Contributors: Kristensen CS; Kvisgaard LK; Pawlowski M; Holmgaard Carlsen S; Hjulsager CK; Heegaard PMH; Bøtner A; Stadejek T; Haugegaard S; Larsen LE
Source: Self-asserted source
Charlotte Kristiane Hjulsager via Europe PubMed Central

Global phylogenetic analysis of contemporary aleutian mink disease viruses (AMDVs).

Virology journal
2017-11 | Journal article
Contributors: Ryt-Hansen P; Hagberg EE; Chriél M; Struve T; Pedersen AG; Larsen LE; Hjulsager CK
Source: Self-asserted source
Charlotte Kristiane Hjulsager via Europe PubMed Central

No evidence of enteric viral involvement in the new neonatal porcine diarrhoea syndrome in Danish pigs.

BMC veterinary research
2017-11 | Journal article
Contributors: Goecke NB; Hjulsager CK; Kongsted H; Boye M; Rasmussen S; Granberg F; Fischer TK; Midgley SE; Rasmussen LD; Angen Ø et al.
Source: Self-asserted source
Charlotte Kristiane Hjulsager via Europe PubMed Central

Genetic and biological characterization of a Porcine Reproductive and Respiratory Syndrome Virus 2 (PRRSV-2) causing significant clinical disease in the field.

Veterinary microbiology
2017-10 | Journal article
Contributors: Kvisgaard LK; Larsen LE; Hjulsager CK; Bøtner A; Rathkjen PH; Heegaard PMH; Bisgaard NP; Nielsen J; Hansen MS
Source: Self-asserted source
Charlotte Kristiane Hjulsager via Europe PubMed Central

EVALUATION OF A COMMERCIAL COMPETITIVE ENZYME-LINKED IMMUNOSORBENT ASSAY FOR DETECTION OF AVIAN INFLUENZA VIRUS SUBTYPE H5 ANTIBODIES IN ZOO BIRDS.

Journal of zoo and wildlife medicine : official publication of the American Association of Zoo Veterinarians
2017-09 | Journal article
Contributors: Jensen TH; Andersen JH; Hjulsager CK; Chriél M; Bertelsen MF
Source: Self-asserted source
Charlotte Kristiane Hjulsager via Europe PubMed Central

Outbreak tracking of Aleutian mink disease virus (AMDV) using partial NS1 gene sequencing.

Virology journal
2017-06 | Journal article
Contributors: Ryt-Hansen P; Hjulsager CK; Hagberg EE; Chriél M; Struve T; Pedersen AG; Larsen LE
Source: Self-asserted source
Charlotte Kristiane Hjulsager via Europe PubMed Central

Comparison of bacterial culture and qPCR testing of rectal and pen floor samples as diagnostic approaches to detect enterotoxic Escherichia coli in nursery pigs.

Preventive veterinary medicine
2017-05 | Journal article
Contributors: Weber NR; Nielsen JP; Hjulsager CK; Jorsal SE; Haugegaard S; Hansen CF; Pedersen KS
Source: Self-asserted source
Charlotte Kristiane Hjulsager via Europe PubMed Central

Dolphin Morbillivirus in a Fin Whale (Balaenoptera physalus) in Denmark, 2016.

Journal of wildlife diseases
2017-05 | Journal article
Contributors: Jo WK; Grilo ML; Wohlsein P; Andersen-Ranberg EU; Hansen MS; Kinze CC; Hjulsager CK; Olsen MT; Lehnert K; Prenger-Berninghoff E et al.
Source: Self-asserted source
Charlotte Kristiane Hjulsager via Europe PubMed Central

Pathogenicity of three genetically diverse strains of PRRSV Type 1 in specific pathogen free pigs.

Veterinary microbiology
2017-05 | Journal article
Contributors: Stadejek T; Larsen LE; Podgórska K; Bøtner A; Botti S; Dolka I; Fabisiak M; Heegaard PMH; Hjulsager CK; Huć T et al.
Source: Self-asserted source
Charlotte Kristiane Hjulsager via Europe PubMed Central

Triple-reassortant influenza A virus with H3 of human seasonal origin, NA of swine origin, and internal A(H1N1) pandemic 2009 genes is established in Danish pigs.

Influenza and other respiratory viruses
2017-03 | Journal article
Contributors: Krog JS; Hjulsager CK; Larsen MA; Larsen LE
Source: Self-asserted source
Charlotte Kristiane Hjulsager via Europe PubMed Central

Batch medication of intestinal infections in nursery pigs-A randomised clinical trial on the efficacy of treatment strategy, type of antibiotic and bacterial load on average daily weight gain.

Preventive veterinary medicine
2016-12 | Journal article
Contributors: Weber NR; Pedersen KS; Hansen CF; Denwood M; Hjulsager CK; Nielsen JP
Source: Self-asserted source
Charlotte Kristiane Hjulsager via Europe PubMed Central

First Characterization of Avian Influenza Viruses from Greenland 2014.

Avian diseases
2016-05 | Journal article
Contributors: Hartby CM; Krog JS; Merkel F; Holm E; Larsen LE; Hjulsager CK
Source: Self-asserted source
Charlotte Kristiane Hjulsager via Europe PubMed Central

A randomised clinical trial on the efficacy of oxytetracycline dose through water medication of nursery pigs on diarrhoea, faecal shedding of Lawsonia intracellularis and average daily weight gain.

Preventive veterinary medicine
2015-12 | Journal article
Contributors: Larsen I; Hjulsager CK; Holm A; Olsen JE; Nielsen SS; Nielsen JP
Source: Self-asserted source
Charlotte Kristiane Hjulsager via Europe PubMed Central

Aquatic Bird Bornavirus 1 in Wild Geese, Denmark.

Emerging infectious diseases
2015-12 | Journal article
Contributors: Thomsen AF; Nielsen JB; Hjulsager CK; Chriél M; Smith DA; Bertelsen MF
Source: Self-asserted source
Charlotte Kristiane Hjulsager via Europe PubMed Central

Associations between biosecurity and outbreaks of canine distemper on Danish mink farms in 2012-2013.

Acta veterinaria Scandinavica
2015-09 | Journal article
Contributors: Gregers-Jensen L; Agger JF; Hammer AS; Andresen L; Chrièl M; Hagberg E; Jensen MK; Hansen MS; Hjulsager CK; Struve T
Source: Self-asserted source
Charlotte Kristiane Hjulsager via Europe PubMed Central

Molecular Epidemiology and Evolution of Influenza Viruses Circulating within European Swine between 2009 and 2013.

Journal of virology
2015-07 | Journal article
Contributors: Watson SJ; Langat P; Reid SM; Lam TT; Cotten M; Kelly M; Van Reeth K; Qiu Y; Simon G; Bonin E et al.
Source: Self-asserted source
Charlotte Kristiane Hjulsager via Europe PubMed Central

A two-year follow-up study of the PCV2 status of a Danish pig herd that was initially assumed to be PCV2-free.

Porcine health management
2015-06 | Journal article
Contributors: Kristensen CS; Hjulsager CK; Larsen LE
Source: Self-asserted source
Charlotte Kristiane Hjulsager via Europe PubMed Central

Influenza A(H10N7) virus in dead harbor seals, Denmark.

Emerging infectious diseases
2015-04 | Journal article
Contributors: Krog JS; Hansen MS; Holm E; Hjulsager CK; Chriél M; Pedersen K; Andresen LO; Abildstrøm M; Jensen TH; Larsen LE
Source: Self-asserted source
Charlotte Kristiane Hjulsager via Europe PubMed Central

Wildlife reservoirs of canine distemper virus resulted in a major outbreak in Danish farmed mink (Neovison vison).

PloS one
2014-01 | Journal article
Contributors: Trebbien R; Chriel M; Struve T; Hjulsager CK; Larsen G; Larsen LE
Source: Self-asserted source
Charlotte Kristiane Hjulsager via Europe PubMed Central

Genetic and antigenic characterization of complete genomes of Type 1 Porcine Reproductive and Respiratory Syndrome viruses (PRRSV) isolated in Denmark over a period of 10 years.

Virus research
2013-10 | Journal article
Contributors: Kvisgaard LK; Hjulsager CK; Kristensen CS; Lauritsen KT; Larsen LE
Source: Self-asserted source
Charlotte Kristiane Hjulsager via Europe PubMed Central

Genetic and biological characterisation of an avian-like H1N2 swine influenza virus generated by reassortment of circulating avian-like H1N1 and H3N2 subtypes in Denmark.

Virology journal
2013-09 | Journal article
Contributors: Trebbien R; Bragstad K; Larsen LE; Nielsen J; Bøtner A; Heegaard PM; Fomsgaard A; Viuff B; Hjulsager CK
Source: Self-asserted source
Charlotte Kristiane Hjulsager via Europe PubMed Central

Genetic dissection of complete genomes of Type 2 PRRS viruses isolated in Denmark over a period of 15 years.

Veterinary microbiology
2013-09 | Journal article
Contributors: Kvisgaard LK; Hjulsager CK; Brar MS; Leung FC; Larsen LE
Source: Self-asserted source
Charlotte Kristiane Hjulsager via Europe PubMed Central

Influenza a virus with a human-like n2 gene is circulating in pigs.

Genome announcements
2013-09 | Journal article
Contributors: Breum SØ; Hjulsager CK; Trebbien R; Larsen LE
Source: Self-asserted source
Charlotte Kristiane Hjulsager via Europe PubMed Central

A fast and robust method for full genome sequencing of Porcine Reproductive and Respiratory Syndrome Virus (PRRSV) Type 1 and Type 2.

Journal of virological methods
2013-07 | Journal article
Contributors: Kvisgaard LK; Hjulsager CK; Fahnøe U; Breum SØ; Ait-Ali T; Larsen LE
Source: Self-asserted source
Charlotte Kristiane Hjulsager via Europe PubMed Central
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