Lars Erik Larsen

Lars Erik Larsen

Professor


  1. Circulation of bovine respiratory syncytial virus in Brazil

    Almeida, R. S., Domingues, H. G., Spilki, F. R., Larsen, Lars, Hägglund, S., Belák, S. & Arns, C. W., 6 May 2006, In: Veterinary Record. 158, 18, p. 632-634 3 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  2. Published

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

    Andersen, K. M., Vestergaard, L. S., Nissen, Jakob Nybo, George, Sophie Joanna, Ryt-Hansen, Pia, Hjulsager, C. K., Krog, J. S., Skov, M. N., Alexandersen, S., Larsen, Lars & Trebbien, R., 2022, In: Emerging Infectious Diseases . 28, 12, p. 2561-2564 4 p.

    Research output: Contribution to journalLetterResearchpeer-review

  3. Spatial analysis and temporal trends of porcine reproductive and respiratory syndrome in Denmark from 2007 to 2010 based on laboratory submission data

    Antunes, A. C. L., Halasa, T., Lauritsen, K. T., Kristensen, C. S., Larsen, Lars & Toft, N., 2015, In: BMC Veterinary Research. 11, 1, 303.

    Research output: Contribution to journalJournal articleResearchpeer-review

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

    Arnold, M. E., Slomka, M. J., Breed, A. C., Hjulsager, C. K., Pritz-Verschuren, S., Venema-Kemper, S., Bouwstra, R. J., Trebbien, R., Zohari, S., Ceeraz, V., Larsen, Lars, Manvell, R. J., Koch, G. & Brown, I. H., 1 Feb 2018, In: Epidemiology and Infection. 146, 3, p. 306-313 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    Porcine Circovirus Diseases: A review of PMWS

    Baekbo, P., Kristensen, C. S. & Larsen, Lars, Mar 2012, In: Transboundary and Emerging Diseases. 59, SUPPL. 1, p. 60-67 8 p.

    Research output: Contribution to journalReviewResearchpeer-review

  6. Identification of cross-reacting T-cell epitopes in structural and non-structural proteins of swine and pandemic H1N1 influenza a virus strains in pigs

    Baratelli, M., Pedersen, L. E., Trebbien, R., Larsen, Lars, Jungersen, G., Blanco, E., Nielsen, J. & Montoya, M., 2017, In: Journal of General Virology. 98, 5, p. 895-899 5 p., 000748.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

    Lesions and pathogens found in pigs that died during the nursery period in five Danish farms

    Barington, Kristiane, Eriksen, E. Ø., Kudirkiene, E., Pankoke, K., Hartmann, Katrine Top, Hansen, Mette Sif, Jensen, Henrik Elvang, Blirup-Plum, Sophie Amalie, Jørgensen, B. M., Nielsen, Jens Peter, Olsen, John Elmerdahl, Goecke, Nicole Bakkegård, Larsen, Lars & Pedersen, Ken Steen, 2023, In: Porcine Health Management. 9, 26.

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Detection of myxoma viruses encoding a defective M135R gene from clinical cases of myxomatosis; Possible implications for the role of the M135R protein as a virulence factor

    Belsham, Graham John, Polacek, C., Breum, S., Larsen, Lars & Bøtner, A., 2010, In: Virology Journal. 7, 7.

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    Coronavirus i danske produktionsdyr, kæledyr og vilde dyre

    Belsham, Graham John, Larsen, Lars, Ryt-Hansen, Pia, Rasmussen, T. B. & Bøtner, A. G., 2020, In: Dansk Veterinaertidsskrift. 2020, 03, p. 24-25

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Infection Dynamics of Swine Influenza Virus in a Danish Pig Herd Reveals Recurrent Infections with Different Variants of the H1N2 Swine Influenza A Virus Subtype

    Bhatta, T., Ryt-Hansen, Pia, Nielsen, Jens Peter, Larsen, Lars, Larsen, Inge, Chamings, A., Goecke, Nicole Bakkegård & Alexandersen, S., 2020, In: Viruses. 12, 9, 18 p., 1013.

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Published

    Gastro-intestinal lesions are not relatable to diarrhoea or specific pathogens in post-weaning diarrhoea (PWD) in pigs

    Blirup-Plum, Sophie Amalie, Jensen, Henrik Elvang, Nielsen, Søren Saxmose, Pankoke, K., Hansen, Mette Sif, Pedersen, Ken Steen, Eriksen, E. Ø., Nielsen, Jens Peter, Olsen, John Elmerdahl, Kudirkiene, E., Larsen, Lars, Goecke, Nicole Bakkegård & Barington, Kristiane, 2023, In: Acta Veterinaria Scandinavica. 65, p. 1-18 18 p., 30.

    Research output: Contribution to journalJournal articleResearchpeer-review

  12. Published

    Histological examination of testes and epididymides from boars naturally infected with porcine reproductive and respiratory syndrome virus (PRRSV)

    Blirup-Plum, Sophie Amalie, Larsen, Lars, Jensen, Henrik Elvang, Kristensen, C. S. & Kvisgaard, L. K., 2021.

    Research output: Contribution to conferenceConference abstract for conferenceCommunication

  13. Spatiotemporal analysis of the genetic diversity of seal influenza A(H10N7) virus, northwestern Europe

    Bodewes, R., Zohari, S., Krog, J. S., Hall, M. D., Harder, T. C., Bestebroer, T. M., Van De Bildt, M. W. G., Spronken, M. I., Larsen, L. E., Siebert, U., Wohlsein, P., Puff, C., Seehusen, F., Baumgärtner, W., Härkönen, T., Smits, S. L., Herfst, S., Osterhaus, A. D. M. E., Fouchier, R. A. M., Koopmans, M. P. & 1 others, Kuiken, T., 1 May 2016, In: Journal of Virology. 90, 9, p. 4269-4277 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  14. Published

    Hepatitis E virus is highly prevalent in the Danish pig population

    Breum, S., Hjulsager, C. K., de Deus, N., Segalés, J. & Larsen, Lars, 20 Nov 2010, In: Veterinary Microbiology. 146, 1-2, p. 144-149 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  15. Influenza A virus with a human-like N2 gene is circulating in pigs

    Breum, S. Ø., Hjulsager, C. K., Trebbien, R. & Larsen, Lars, 2013, In: Genome Announcements. 1, 5, e00712-13.

    Research output: Contribution to journalJournal articleResearchpeer-review

  16. Published

    IFN-λ and microRNAs are important modulators of the pulmonary innate immune response against influenza A (H1N2) infection in pigs

    Brogaard, L., Larsen, Lars, Heegaard, P. M. H., Anthon, Christian, Gorodkin, Jan, Dürrwald, R. & Skovgaard, K., 2018, In: PLOS ONE. 13, 4, 23 p., e0194765.

    Research output: Contribution to journalJournal articleResearchpeer-review

  17. Late regulation of immune genes and microRNAs in circulating leukocytes in a pig model of influenza A (H1N2) infection

    Brogaard, L., Heegaard, P. M. H., Larsen, Lars, Mortensen, S., Schlegel, M., Dürrwald, R. & Skovgaard, K., 19 Feb 2016, In: Scientific Reports. 6, 21812.

    Research output: Contribution to journalJournal articleResearchpeer-review

  18. Published

    Replication, pathogenesis and transmission of pandemic (H1N1) 2009 virus in non-immune pigs

    Brookes, S. M., Núñez, A., Choudhury, B., Matrosovich, M., Essen, S. C., Clifford, D., Slomka, M. J., Kuntz-Simon, G., Garcon, F., Nash, B., Hanna, A., Heegaard, P. M. H., Quéguiner, S., Chiapponi, C., Bublot, M., Garcia, J. M., Gardner, R., Foni, E., Loeffen, W., Larsen, L. & 4 others, Van Reeth, K., Banks, J., Irvine, R. M. & Brown, I. H., 5 Feb 2010, In: PLoS ONE. 5, 2, e9068.

    Research output: Contribution to journalJournal articleResearchpeer-review

  19. Published

    LETTERS: Influenza A (HINI) infection in pigs

    Brookes, S. M., Irvine, R. M., Nunez, A., Clifford, D., Essen, S., Brown, I. H., Kuntz-Simon, G., Loeffen, W., Foni, E., Larsen, Lars, Matrosovich, M., Bublot, M., Maldonado, J., Beer, M. & Cattoli, G., 13 Jun 2009, In: Veterinary Record. 164, 24, p. 760-761 2 p.

    Research output: Contribution to journalLetterResearchpeer-review

  20. Published

    Disease control tools to secure animal and public health in a densely populated world

    Charlier, J., Barkema, H. W., Becher, P., De Benedictis, P., Hansson, I., Hennig-Pauka, I., La Ragione, R., Larsen, Lars, Madoroba, E., Maes, D., Marin, C. M., Mutinelli, F., Nisbet, A. J., Podgorska, K., Vercruysse, J., Vitale, F., Williams, D. J. L. & Zadoks, R. N., 2022, In: The Lancet Planetary Health. 6, 10, p. E812-E824 13 p.

    Research output: Contribution to journalReviewResearchpeer-review

  21. Published

    Genomic analysis of PCV2 isolates from Danish archives and a current PMWS case-control study supports a shift in genotypes with time

    Dupont, K., Nielsen, E. O., Bækbo, P. & Larsen, Lars, 1 Apr 2008, In: Veterinary Microbiology. 128, 1-2, p. 56-64 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  22. Published

    Transmission of different variants of PCV2 and viral dynamics in a research facility with pigs mingled from PMWS-affected herds and non-affected herds

    Dupont, K., Hjulsager, C. K., Kristensen, C. S., Baekbo, P. & Larsen, Lars, 18 Nov 2009, In: Veterinary Microbiology. 139, 3-4, p. 219-226 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  23. Published
  24. Published

    Post-weaning diarrhea in pigs weaned without medicinal zinc: risk factors, pathogen dynamics, and association to growth rate

    Eriksen, E. Ø., Kudirkiene, E., Christensen, A. E., Schmidt, Marianne Viuf Agerlin, Weber, N. R., Nødtvedt, A., Nielsen, Jens Peter, Hartmann, Katrine Top, Skade, L., Larsen, Lars, Pankoke, K., Olsen, John Elmerdahl, Jensen, Henrik Elvang & Pedersen, Ken Steen, 2021, In: Porcine Health Management. 7, 54.

    Research output: Contribution to journalJournal articleResearchpeer-review

  25. Published

    Recommendations on diagnostic investigations of post-weaning diarrhea outbreaks: assessing the prevalence of diarrhea and determining microbiological etiologies

    Eriksen, E. Ø., Nielsen, Jens Peter, Kudirkiene, E., Olsen, John Elmerdahl, Goecke, Nicole Bakkegård, Larsen, Lars, Liu, G., Schmidt, Marianne Viuf Agerlin, Christensen, A. E. & Pedersen, Ken Steen, 2022.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  26. New reassortant and enzootic european swine influenza viruses transmit efficiently through direct contact in the ferret model

    Fobian, K., Fabrizio, T. P., Yoon, S. W., Hansen, Mette Sif, Webby, R. J. & Larsen, Lars, 2015, In: Journal of General Virology. 96, 7, p. 1603-1612 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

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

    Franzo, G., Legnardi, M., Hjulsager, C. K., Klaumann, F., Larsen, Lars, Segales, J. & Drigo, M., Jun 2018, In: Transboundary and Emerging Diseases. 65, 3, p. 602-606 5 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  28. Different clinical, virological, serological and tissue tropism outcomes of two new and one old Belgian type 1 subtype 1 porcine reproductive and respiratory virus (PRRSV) isolates

    Frydas, I. S., Trus, I., Kvisgaard, L. K., Bonckaert, C., Reddy, V. R., Li, Y., Larsen, Lars & Nauwynck, H. J., 2015, In: Veterinary Research. 46, 1, 37.

    Research output: Contribution to journalJournal articleResearchpeer-review

  29. Published

    Assessment of the Impact of the Recombinant Porcine Reproductive and Respiratory Syndrome Virus Horsens Strain on the Reproductive Performance in Pregnant Sows

    Genís, S., Kvisgaard, L. K., Larsen, Lars, Taylor, L. P., Calvert, J. G. & Balasch, M., 2020, In: Pathogens. 9, 9, 12 p., 772.

    Research output: Contribution to journalJournal articleResearchpeer-review

  30. Published

    Zoonotic and reverse zoonotic transmission of viruses between humans and pigs

    Glud, H. A., George, Sophie Joanna, Skovgaard, K. & Larsen, Lars, 2021, In: APMIS : acta pathologica, microbiologica, et immunologica Scandinavica. 129, 12, p. 675-693

    Research output: Contribution to journalReviewResearchpeer-review

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

    Goecke, Nicole Bakkegård, Kobberø, M., Kusk, T. K., Hjulsager, C. K., Pedersen, Ken Steen, Kristensen, C. S. & Larsen, Lars, 2020, In: Porcine Health Management. 6, p. 14 23.

    Research output: Contribution to journalJournal articleResearchpeer-review

  32. Published

    Characterization of Influenza D Virus in Danish Calves

    Goecke, Nicole Bakkegård, Liang, Yuan, Dam Otten, Nina, Hjulsager, C. K. & Larsen, Lars, 2022, In: Viruses. 14, 2, 423.

    Research output: Contribution to journalJournal articleResearchpeer-review

  33. Published

    Design of a High-Throughput Real-Time PCR System for Detection of Bovine Respiratory and Enteric Pathogens

    Goecke, Nicole Bakkegård, Nielsen, B. H., Petersen, Mette Bisgaard & Larsen, Lars, 2021, In: Frontiers in Veterinary Science. 8, 677993.

    Research output: Contribution to journalJournal articleResearchpeer-review

  34. Subtyping of swine influenza viruses using a high-throughput real-time PCR platform

    Goecke, Nicole Bakkegård, Krog, J. S., Hjulsager, C. K., Skovgaard, K., Harder, T. C., Breum, S. & Larsen, Lars, 22 May 2018, In: Frontiers in Cellular and Infection Microbiology. 8, MAY, 165.

    Research output: Contribution to journalJournal articleResearchpeer-review

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

    Goecke, Nicole Bakkegård, Hjulsager, C. K., Krog, J. S., Skovgaard, K. & Larsen, Lars, 2020, In: Journal of Veterinary Diagnostic Investigation. 32, 1, p. 51-64 14 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  36. Published

    Pig-major acute phase protein and haptoglobin serum concentrations correlate with PCV2 viremia and the clinical course of postweaning multisystemic wasting syndrome

    Grau-Roma, L., Heegaard, P. M. H., Hjulsager, C. K., Sibila, M., Kristensen, C. S., Allepuz, A., Piñeiro, M., Larsen, Lars, Segalés, J. & Fraile, L., 2 Jul 2009, In: Veterinary Microbiology. 138, 1-2, p. 53-61 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  37. Published

    Clinical and laboratory studies on herds affected with postweaning multisystemic wasting syndrome in Denmark, France, Spain, and Sweden: Disease progression and a proposal for herd case definition

    Grau-Roma, L., Baekbo, P., Rose, N., Wallgren, P., Fraile, L., Larsen, Lars & Segalés, J., May 2012, In: Journal of Swine Health and Production. 20, 3, p. 129-136 8 p.

    Research output: Contribution to journalReviewResearchpeer-review

  38. Published

    Infectious risk factors for individual postweaning multisystemic wasting syndrome (PMWS) development in pigs from affected farms in Spain and Denmark

    Grau-Roma, L., Stockmarr, A., Kristensen, C. S., Enøe, C., López-Soria, S., Nofrarías, M., Bille-Hansen, V., Hjulsager, C. K., Sibila, M., Jorsal, S. E., Fraile, L., Baekbo, P., Vigre, H., Segalés, J. & Larsen, Lars, Dec 2012, In: Research in Veterinary Science. 93, 3, p. 1231-1240 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  39. Published

    Infection, excretion and seroconversion dynamics of porcine circovirus type 2 (PCV2) in pigs from post-weaning multisystemic wasting syndrome (PMWS) affected farms in Spain and Denmark

    Grau-Roma, L., Hjulsager, C. K., Sibila, M., Kristensen, C. S., López-Soria, S., Enøe, C., Casal, J., Bøtner, A., Nofrarías, M., Bille-Hansen, V., Fraile, L., Baekbo, P., Segalés, J. & Larsen, Lars, 30 Mar 2009, In: Veterinary Microbiology. 135, 3-4, p. 272-282 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  40. Age-dependent differences in cytokine and antibody responses after experimental RSV infection in a bovine model

    Grell, S. N., Riber, U., Tjørnehøj, K., Larsen, Lars & Heegaard, P. M. H., 16 May 2005, In: Vaccine. 23, 26, p. 3412-3423 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  41. Marked induction of IL-6, haptoglobin and IFNγ following experimental BRSV infection in young calves

    Grell, S. N., Tjørnehøj, K., Larsen, Lars & Heegaard, P. M. H., 10 Feb 2005, In: Veterinary Immunology and Immunopathology. 103, 3-4, p. 235-245 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  42. A fast and robust method for whole genome sequencing of the Aleutian Mink Disease Virus (AMDV) genome

    Hagberg, E. E., Krarup, A., Fahnøe, Ulrik, Larsen, Lars, Dam-Tuxen, R. & Pedersen, A. G., Aug 2016, In: Journal of Virological Methods. 234, p. 43-51 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  43. Evolutionary analysis of whole-genome sequences confirms inter-farm transmission of Aleutian mink disease virus

    Hagberg, E. E., Pedersen, A. G., Larsen, Lars & Krarup, A., Jun 2017, In: Journal of General Virology. 98, 6, p. 1360-1371 12 p., 000777.

    Research output: Contribution to journalJournal articleResearchpeer-review

  44. Evaluation of a single-tube fluorogenic RT-PCR assay for detection of bovine respiratory syncytial virus in clinical samples

    Hakhverdyan, M., Hägglund, S., Larsen, Lars & Belák, S., Feb 2005, In: Journal of Virological Methods. 123, 2, p. 195-202 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  45. Published

    Investigation of the SARS-CoV-2 post-vaccination antibody response in Canadian farmed mink

    Hansen, L. G., Larsen, Lars, Rasmussen, T. B., Miar, Y., Lassuniére, R., Jørgensen, C. S. & Ryt-Hansen, Pia, 2023, In: Vaccine. 41, 49, p. 7387-7394

    Research output: Contribution to journalJournal articleResearchpeer-review

  46. Published

    Selection of method is crucial for the diagnosis of porcine circovirus type 2 associated reproductive failures

    Hansen, Mette Sif, Hjulsager, C. K., Bille-Hansen, V., Haugegaard, S., Dupont, K., Høgedal, P., Kunstmann, L. & Larsen, Lars, Jul 2010, In: Veterinary Microbiology. 144, 1-2, p. 203-209 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  47. Published

    Experimental infection of high health pigs with porcine circovirus type 2 (PCV2) and Lawsonia intracellularis

    Hansen, Mette Sif, Jensen, T. K., Hjulsager, C. K., Angen, Ø., Riber, U., Nielsen, J., Heegaard, P. M. H. & Larsen, Lars, 2022, In: Frontiers in Veterinary Science. 9, 994147.

    Research output: Contribution to journalJournal articleResearchpeer-review

  48. First characterization of avian influenza viruses from Greenland 2014

    Hartby, C. M., Krog, J. S., Merkel, F., Holm, E., Larsen, Lars & Hjulsager, C. K., 1 May 2016, In: Avian Diseases. 60, 1, p. 302-310 9 p.

    Research output: Contribution to journalConference articleResearchpeer-review

  49. Rapid detection and subtyping of European swine influenza viruses in porcine clinical samples by haemagglutinin- and neuraminidase-specific tetra- and triplex real-time RT-PCRs

    Henritzi, D., Zhao, N., Starick, E., Simon, G., Krog, J. S., Larsen, Lars, Reid, S. M., Brown, I. H., Chiapponi, C., Foni, E., Wacheck, S., Schmid, P., Beer, M., Hoffmann, B. & Harder, T. C., 1 Nov 2016, In: Influenza and Other Respiratory Viruses. 10, 6, p. 504-517 14 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  50. Inter-laboratory and inter-assay comparison on two real-time PCR techniques for quantification of PCV2 nucleic acid extracted from field samples

    Hjulsager, C. K., Grau-Roma, L., Sibila, M., Enøe, C., Larsen, Lars & Segalés, J., 1 Jan 2009, In: Veterinary Microbiology. 133, 1-2, p. 172-178 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  51. Published

    Surveillance for avian influenza viruses in wild birds in Denmark and Greenland, 2007-10

    Hjulsager, C. K., Breum, S. Ø., Trebbien, R., Handberg, K. J., Therkildsen, O. R., Madsen, Jesper Johannes, Thorup, Kasper, Baroch, J. A., DeLiberto, T. J., Larsen, Lars & Jørgensen, P. H., 2012, In: Avian Diseases. 56, 4s1, p. 992-998 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  52. Bovine respiratory syncytial virus ISCOMs - Protection in the presence of maternal antibodies

    Hägglund, S., Hu, K. F., Larsen, Lars, Hakhverdyan, M., Valarcher, J. F., Taylor, G., Morein, B., Belák, S. & Alenius, S., 16 Dec 2004, In: Vaccine. 23, 5, p. 646-655 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  53. Published

    Non-specific effects of maternal and offspring rabies vaccination on mortality and antibiotic use in a Danish pig herd: A randomized trial

    Jensen, K. J., Tolstrup, L. K., Knobel, D. L., Aaby, P., Jungersen, G., Larsen, Lars, Kristensen, C. S. & Benn, C. S., 2022, In: Vaccine. 40, 11, p. 1665-1673

    Research output: Contribution to journalJournal articleResearchpeer-review

  54. Published

    Immunogenicity of Bacillus Calmette-Guérin in pigs: potential as a translational model of non-specific effects of BCG

    Jensen, K. J., Hansen, Mette Sif, Skovgaard, K., Svensson, E., Larsen, Lars, Heegaard, P. M. H., Benn, C. S. & Jungersen, G., 2023, In: Frontiers in Immunology. 14, 1219006.

    Research output: Contribution to journalJournal articleResearchpeer-review

  55. Effects of level of social contact on dairy calf behavior and health

    Jensen, M. B. & Larsen, Lars, Aug 2014, In: Journal of Dairy Science. 97, 8, p. 5035-5044 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  56. Investigation of the association of growth rate in grower-finishing pigs with the quantification of Lawsonia intracellularis and porcine circovirus type 2

    Johansen, M., Nielsen, M. B., Dahl, J., Svensmark, B., Bækbo, P., Kristensen, C. S., Hjulsager, C. K., Jensen, Tim Kåre, Ståhl, M., Larsen, Lars & Angen, Ø., 2013, In: Preventive Veterinary Medicine. 108, 1, p. 63-72 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  57. Published

    Hepatitis E (Hepatitis E virus)

    Jokelainen, P., Larsen, Lars, Krog, J. S., Midgley, S. E. & Vorobieva Solholm Jensen, V., 2022, Risikovurdering af zoonotiske virus og andre agens, der kan forekomme i dyr og kan have epidemisk potentiale. Bødker, R., Kjær, L. J., Jokelainen, P., Trebbien, R., Boklund, A. & Larsen, L. E. (eds.). Københavns Universitet, p. 35-41 7 p.

    Research output: Chapter in Book/Report/Conference proceedingReport chapterResearch

  58. Published

    Using surveillance data for early warning modelling of highly pathogenic avian influenza in Europe reveals a seasonal shift in transmission, 2016-2022: [Inkl. correction]

    Kjær, Lene Jung, Ward, M. P., Boklund, Anette, Larsen, Lars, Hjulsager, C. K. & Kirkeby, Carsten, 2023, In: Scientific Reports. 13, 16 p., 15396.

    Research output: Contribution to journalJournal articleResearchpeer-review

  59. Accepted/In press

    Are all avian influenza outbreaks in poultry the same? The predicted impact of poultry species and virus subtype

    Kirkeby, Carsten, Boklund, Anette, Larsen, Lars & Ward, M. P., 2024, (Accepted/In press) In: Zoonoses and Public Health.

    Research output: Contribution to journalJournal articleResearchpeer-review

  60. Published

    Are all avian influenza outbreaks in poultry the same? The predicted impact of poultry species and virus subtype

    Kirkeby, Carsten, Boklund, Anette, Larsen, Lars & Ward, M. P., 16 Feb 2024, In: Zoonoses and Public Health.

    Research output: Contribution to journalJournal articleResearchpeer-review

  61. Published

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

    Kjær, Lene Jung, Hjulsager, C. K., Larsen, Lars, Boklund, Anette, Halasa, T., Ward, M. P. & Kirkeby, Carsten, 2022, In: Transboundary and Emerging Diseases. 69, 2, p. 706-719

    Research output: Contribution to journalJournal articleResearchpeer-review

  62. Published

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

    Kjær, Lene Jung, Hjulsager, C., Larsen, Lars, Boklund, Anette, Halasa, T., Ward, M. & Kirkeby, Carsten, 2020, Authorea.

    Research output: Working paperPreprint

  63. Published

    Spatial patterns of avian influenza in wild birds from Denmark, 2006-2020

    Kjær, Lene Jung, Hjulsager, C., Larsen, Lars, Boklund, Anette, Halasa, T., Ward, M. P. & Kirkeby, Carsten, 11 Mar 2021, Society for Veterinary Epidemiology and Preventive Medicine: Proceedings: Online, 24-26 March 2021. Society for Veterinary Epidemiology and Preventive Medicine

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

  64. Published

    Forecasting outbreaks of high pathogenic avian influenza in Europe

    Kjær, Lene Jung, Boklund, Anette, Larsen, Lars, Hjulsager, C. K., Ward, M. P. & Kirkeby, Carsten, 23 Mar 2022.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  65. Published

    Spatial patterns of avian influenza in wild birds from Denmark, 2006-2020

    Kjær, Lene Jung, Boklund, Anette, Kirkeby, Carsten, Hjulsager, C. K., Larsen, Lars, Halasa, T. & Ward, M. P., 25 Mar 2021.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  66. Published

    Using national avian influenza data to predict spatial patterns in wild birds from Denmark, 2006-2020

    Kjær, Lene Jung, Boklund, Anette, Larsen, Lars, Hjulsager, C. K. & Ward, M. P., 3 May 2022.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  67. Published

    Kan man forudsige fugleinfluenza i Danmark? Kan man forudsige fugleinfluenza i Danmark?

    Kjær, Lene Jung, Boklund, Anette, Hjulsager, C. K., Larsen, Lars & Kirkeby, Carsten, 22 Feb 2024, In: videnskab.dk.

    Research output: Contribution to journalJournal articleCommunication

  68. Published

    Estimating Clinically Relevant Cut-Off Values for a High-Throughput Quantitative Real-Time PCR Detecting Bacterial Respiratory Pathogens in Cattle

    Klompmaker, A. F., Brydensholt, M., Michelsen, Anne Marie, Denwood, Matt, Kirkeby, Carsten, Larsen, Lars, Goecke, Nicole Bakkegård, Dam Otten, Nina & Nielsen, Liza Rosenbaum, 2021, In: Frontiers in Veterinary Science. 8, 674771.

    Research output: Contribution to journalJournal articleResearchpeer-review

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

    Kongsted, H., Pedersen, K., Hjulsager, C. K., Larsen, Lars, Pedersen, Ken Steen, Jorsal, S. E. & Bækbo, P., 3 Sep 2018, In: Porcine Health Management. 4, 1, 17.

    Research output: Contribution to journalJournal articleResearchpeer-review

  70. Published

    Production losses five months after outbreak with a recombinant of two PRRSV vaccine strains in 13 Danish sow herds

    Kristensen, C. S., Christiansen, M. G., Pedersen, K. & Larsen, Lars, 2020, In: Porcine Health Management. 6, 1, 26.

    Research output: Contribution to journalJournal articleResearchpeer-review

  71. Published

    Experimental infection of pigs and ferrets with "pre-pandemic," human-adapted, and swineadapted variants of the H1N1pdm09 influenza A virus reveals significant differences in viral dynamics and pathological manifestations

    Kristensen, Charlotte, Laybourn, H. A., Crumpton, J. C., Martiny, Karen, Webb, A., Ryt-Hansen, Pia, Trebbien, R., Jensen, Henrik Elvang, Nissen, Jakob Nybo, Skovgaard, K., Webby, R. J. & Larsen, Lars, 2023, In: PLoS Pathogens. 19, 12, 23 p., e1011838.

    Research output: Contribution to journalJournal articleResearchpeer-review

  72. Published

    Discovery of the avian receptor in the porcine nasal mucosa reveals new insight into influenza A virus host tropsim

    Kristensen, Charlotte, Larsen, Lars, Trebbien, R. & Jensen, Henrik Elvang, 2023. 1 p.

    Research output: Contribution to conferenceConference abstract for conferenceCommunication

  73. Published

    The avian influenza A virus receptor SA-α2,3-Gal is expressed in the porcine nasal mucosa sustaining the pig as a mixing vessel for new influenza viruses

    Kristensen, Charlotte, Larsen, Lars, Trebbien, R. & Jensen, Henrik Elvang, 2024, In: Virus Research. 340, 8 p., 199304.

    Research output: Contribution to journalJournal articleResearchpeer-review

  74. Published

    Co-localization of influenza A virus and voltage-dependent calcium channels provides new perspectives on the internalization process in pigs

    Kristensen, Charlotte, Jensen, Henrik Elvang, Trebbien, R., Ryt-Hansen, Pia & Larsen, Lars, 2023, In: npj Viruses. 1, 7 p., 8.

    Research output: Contribution to journalJournal articleResearchpeer-review

  75. 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

    Kristensen, C. S., Kvisgaard, L. K., Pawlowski, M., Holmgaard Carlsen, S., Hjulsager, C. K., Heegaard, P. M. H., Bøtner, A., Stadejek, T., Haugegaard, S. & Larsen, Lars, 4 Jan 2018, In: Vaccine. 36, 2, p. 227-236 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

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

    Kristensen, C. S., Hjulsager, C. K. & Larsen, Lars, 2015, In: Porcine Health Management. 1, 5.

    Research output: Contribution to journalJournal articleResearchpeer-review

  77. Published

    Påvisning af PRRSV/Materiale fra orner

    Kristensen, C. S., Kvisgaard, L. K., Blirup-Plum, Sophie Amalie, Skade, L., Pedersen, K., Jensen, Henrik Elvang & Larsen, Lars, 4 Feb 2021, SEGES Svineproduktion.

    Research output: Other contributionNet publication - Internet publicationCommunication

  78. Published

    Induction of porcine post-weaning multisystemic wasting syndrome (PMWS) in pigs from PMWS unaffected herds following mingling with pigs from PMWS-affected herds

    Kristensen, C. S., Bækbo, P., Bille-Hansen, V., Bøtner, A., Vigre, H., Enøe, C. & Larsen, Lars, 18 Sep 2009, In: Veterinary Microbiology. 138, 3-4, p. 244-250 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  79. Enteric porcine viruses in farmed shellfish in Denmark

    Krog, J. S., Larsen, Lars & Schultz, A. C., 1 Sep 2014, In: International Journal of Food Microbiology. 186, p. 105-109 5 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  80. Hepatitis E virus variant in farmed mink, Denmark

    Krog, J. S., Breum, S., Jensen, T. H. & Larsen, Lars, Dec 2013, In: Emerging Infectious Diseases. 19, 12, p. 2028-2030 3 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

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

    Krog, J. S., Hansen, Mette Sif, Holm, E., Hjulsager, C. K., Chriél, M., Pedersen, K., Andresen, L. O., Abildstrøm, M., Jensen, T. H. & Larsen, Lars, 2015, In: Emerging Infectious Diseases. 21, 4, p. 684-687 4 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  82. Tracing hepatitis e virus in pigs from birth to slaughter

    Krog, J. S., Larsen, Lars & Breum, S., 2019, In: Frontiers in Veterinary Science. 6, FEB, 00050.

    Research output: Contribution to journalJournal articleResearchpeer-review

  83. 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

    Krog, J. S., Hjulsager, C. K., Larsen, M. A. & Larsen, Lars, May 2017, In: Influenza and Other Respiratory Viruses. 11, 3, p. 298-303 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

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

    Kvisgaard, L. K., Larsen, Lars, Hjulsager, C. K., Bøtner, A., Rathkjen, P. H., Heegaard, P. M. H., Bisgaard, N. P., Nielsen, J. & Hansen, Mette Sif, Nov 2017, In: Veterinary Microbiology. 211, p. 74-83 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

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

    Kvisgaard, L. K., Hjulsager, C. K., Fahnøe, Ulrik, Breum, S. Ø., Ait-Ali, T. & Larsen, Lars, Nov 2013, In: Journal of Virological Methods. 193, 2, p. 697-705 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  86. Published

    Challenge of naïve and vaccinated pigs with a vaccine-derived recombinant porcine reproductive and respiratory syndrome virus 1 strain (Horsens strain)

    Kvisgaard, L. K., Larsen, Lars, Kristensen, C. S., Paboeuf, F., Renson, P. & Bourry, O., 2021, In: Vaccines. 9, 5, 12 p., 417.

    Research output: Contribution to journalJournal articleResearchpeer-review

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

    Kvisgaard, L. K., Hjulsager, C. K., Brar, M. S., Leung, F. C. C. & Larsen, Lars, 27 Dec 2013, In: Veterinary Microbiology. 167, 3-4, p. 334-344 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  88. 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

    Kvisgaard, L. K., Hjulsager, C. K., Kristensen, C. S., Lauritsen, K. T. & Larsen, Lars, 26 Dec 2013, In: Virus Research. 178, 2, p. 197-205 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  89. Published

    A recombination between two Type 1 Porcine Reproductive and Respiratory Syndrome Virus (PRRSV-1) vaccine strains has caused severe outbreaks in Danish pigs

    Kvisgaard, L. K., Kristensen, C. S., Ryt-Hansen, Pia, Pedersen, K., Stadejek, T., Trebbien, R., Andresen, L. O. & Larsen, Lars, 2020, In: Transboundary and Emerging Diseases. 67, 5, p. 1786-1796

    Research output: Contribution to journalJournal articleResearchpeer-review

  90. Bovine Respiratory Syncytial Virus (BRSV): A review

    Larsen, Lars, 2000, In: Acta Veterinaria Scandinavica. 41, 1, p. 1-24 24 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  91. Bovine Respiratory Syncytial Virus (BRSV) Pneumonia in Beef Calf Herds Despite Vaccination

    Larsen, Lars, Tegtmeier, C. & Pedersen, E., 2001, In: Acta Veterinaria Scandinavica. 42, 1, p. 113-121 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  92. Published

    Influenza A virus in pigs and birds in Denmark

    Larsen, Lars, Hjulsager, C., Ryt-Hansen, Pia, Andersen, K. M. & Trebbien, R., 2022, Annual Report on Zoonoses in Denmark 2021. Olsen, A., Høg, B. B., Sandberg, M., Müller, L. & Torpdahl, M. (eds.). Technical University of Denmark, p. 10-13 (Annual Report on Zoonoses in Denmark, Vol. 2021).

    Research output: Chapter in Book/Report/Conference proceedingReport chapterResearch

  93. Phylogenetic characterisation of the GL sequences of equine arteritis virus isolated from semen of asymptomatic stallions and fatal cases of equine viral arteritis in Denmark

    Larsen, Lars, Storgaard, T. & Holm, E., 22 Jun 2001, In: Veterinary Microbiology. 80, 4, p. 339-346 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  94. Published

    Influenza A virus i svin (Svineinfluenza – SwIAV)

    Larsen, Lars & Trebbien, R., 2022, Risikovurdering af zoonotiske virus og andre agens, der kan forekomme i dyr og kan have epidemisk potentiale. Bødker, R., Kjær, L. J., Jokelainen, P., Trebbien, R., Boklund, A. & Larsen, L. E. (eds.). Københavns Universitet, p. 28-34 7 p.

    Research output: Chapter in Book/Report/Conference proceedingReport chapterResearch

  95. Published

    Fugleinfluenza (Aviær Influenzavirus)

    Larsen, Lars & Trebbien, R., 2022, Risikovurdering af zoonotiske virus og andre agens, der kan forekomme i dyr og kan have epidemisk potentiale. Bødker, R., Kjær, L. J., Jokelainen, P., Trebbien, R., Boklund, A. & Larsen, L. E. (eds.). Københavns Universitet, p. 21-28 7 p.

    Research output: Chapter in Book/Report/Conference proceedingReport chapterResearch

  96. The global antigenic diversity of swine influenza A viruses

    ESNIP3 consortium, E. C., 15 Apr 2016, In: eLife. 5, APRIL2016, e12217.

    Research output: Contribution to journalJournal articleResearchpeer-review

  97. Published

    Pathogenicity and genomic changes of a 2016 European H5N8 highly pathogenic avian influenza virus (clade 2.3.4.4) in experimentally infected mallards and chickens

    Leyson, C., Youk, S., Smith, D., Dimitrov, K., Lee, D., Larsen, Lars, Swayne, D. E. & Pantin-Jackwood, M. J., 2019, In: Virology. 537, p. 172-185 14 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  98. Published
  99. Published

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

    Liang, Yuan, Hjulsager, C. K., Seekings, A. H., Warren, C. J., Lean, F. Z. X., Núñez, A., James, J., Thomas, S. S., Banyard, A. C., Slomka, M. J., Brown, I. H. & Larsen, Lars, 2022, In: Virology. 577, p. 138-148 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  100. Published

    Novel clade 2.3.4.4b highly pathogenic avian influenza a h5n8 and h5n5 viruses in Denmark, 2020

    Liang, Yuan, Nissen, J. N., Krog, J. S., Breum, S., Trebbien, R., Larsen, Lars & Hjulsager, C. K., 2021, In: Viruses. 13, 5, 886.

    Research output: Contribution to journalJournal articleResearchpeer-review

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