Table of Contents
Influenza Research and Treatment
Volume 2011 (2011), Article ID 565787, 6 pages
http://dx.doi.org/10.1155/2011/565787
Research Article

Pathological Findings and Distribution of Pandemic Influenza A (H1N1) 2009 Virus in Lungs from Naturally Infected Fattening Pigs in Norway

1Department of Laboratory Services, Norwegian Veterinary Institute, Pb 750 Sentrum, N-0106 Oslo, Norway
2Department of Health Surveillance, Norwegian Veterinary Institute, Pb 750 Sentrum, N-0106 Oslo, Norway

Received 15 September 2011; Accepted 25 October 2011

Academic Editor: Alicia Solorzano

Copyright © 2011 Mette Valheim et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Linked References

  1. I. H. Brown, “The epidemiology and evolution of influenza viruses in pigs,” Veterinary Microbiology, vol. 74, no. 1-2, pp. 29–46, 2000. View at Publisher · View at Google Scholar · View at Scopus
  2. K. Van Reeth, I. H. Brown, R. Dürrwald et al., “Seroprevalence of H1N1, H3N2 and H1N2 influenza viruses in pigs in seven European countries in 2002-2003,” Influenza and other Respiratory Viruses, vol. 2, no. 3, pp. 99–105, 2008. View at Publisher · View at Google Scholar · View at PubMed · View at Scopus
  3. J. L. Caswell and K. J. Williams, “Swine influenza,” in Jubb, Kennedy, and Palmers Pathology of Domestic Animals, M. Grant Maxie, Ed., vol. 2, pp. 581–583, Saunders Elsevier, Philadelphia, Pa, USA, 5th edition, 2007. View at Google Scholar
  4. J. S. Peiris, W. W. Tu, and H. L. Yen, “A novel H1N1 virus causes the first pandemic of the 21st century,” European Journal of Immunology, vol. 39, no. 11, pp. 2946–2954, 2009. View at Publisher · View at Google Scholar · View at PubMed · View at Scopus
  5. M. D. Welsh, P. M. Baird, M. P. Guelbenzu-Gonzalo et al., “Initial incursion of pandemic (H1N1) 2009 influenza A virus into European pigs,” Veterinary Record, vol. 166, no. 21, pp. 642–645, 2010. View at Publisher · View at Google Scholar · View at PubMed · View at Scopus
  6. T. Pasma and T. Joseph, “Pandemic (H1N1) 2009 infection in swine herds, Manitoba, Canada,” Emerging Infectious Diseases, vol. 16, no. 4, pp. 706–708, 2010. View at Publisher · View at Google Scholar · View at PubMed · View at Scopus
  7. W. A. Howard, S. C. Essen, B. W. Strugnell et al., “Reassortant pandemic (H1N1) 2009 virus in pigs, United Kingdom,” Emerging Infectious Diseases, vol. 17, no. 6, pp. 1049–1052, 2011. View at Google Scholar
  8. M. Hofshagen, B. Gjerset, C. Er et al., “Pandemic influenza A(H1N1)v: human to pig transmission in Norway?” European Communicable Disease Bulletin, vol. 14, no. 45, p. 19406, 2009. View at Google Scholar
  9. C. Er, B. Gjerset, A. Germundson et al., “Pandemic influenza A (H1N1) 2009 virus in swine herds: outbreak in Norway 2009,” in Proceedings of the 21st International Pig Veterinary Society (IPVS) Congress, vol. 1, p. 256, Vancouver, Canada, 2010.
  10. B. Lium, J. Tharaldsen, P. Hopp et al., “The surveillance and control programme for specific virus infections in swine herds in Norway,” in Annual Report 2007, pp. 99–102, National Veterinary Institute, Oslo, Norway, 2008. View at Google Scholar
  11. B. Lium, A. Jørgensen, and M. Gjestvang, “The Norwegian program for eradication of Mycoplasma hyopneumoniae is successfully completed,” in Proceedings of the 21st International Pig Veterinary Society (IPVS) Congress, vol. 2, p. 643, Vancouver, Canada, 2010.
  12. B. Z. Löndt, A. Nunez, J. Banks, H. Nili, L. K. Johnson, and D. J. Alexander, “Pathogenesis of highly pathogenic avian influenza A/turkey/Turkey/1/2005 H5N1 in Pekin ducks (Anas platyrhynchos) infected experimentally,” Avian Pathology, vol. 37, no. 6, pp. 619–627, 2008. View at Publisher · View at Google Scholar · View at PubMed · View at Scopus
  13. World Health Organization, “CDC protocol of realtime RTPCR for influenza A(H1N1),” The WHO Collaborating centre for influenza at CDC, Atlanta, Ga, USA, 2009, http://www.who.int/csr/resources/publications/swineflu/CDCRealtimeRTPCR_SwineH1Assay-2009_20090430.pdf.
  14. Robert Koch-Intitut, “TagMan real-time PCR zur Detektion von porcinen Influenza A/H1N1-Viren. Empfehlung für den Nachweis der porcine Influenza A/H1N1-Viren mittels real-time PCR,” Berlin, Germany, [Article in German], http://www.rki.de/cln_160/nn_200120/DE/Content/InfAZ/I/Influenza/IPV/Schweinegrippe_PCR.html.
  15. S. M. Brookes, A. Núñez, B. Choudhury et al., “Replication, pathogenesis and transmission of pandemic (H1N1) 2009 virus in non-immune pigs,” Plos One, vol. 5, no. 2, Article ID e9068, 8 pages, 2010. View at Publisher · View at Google Scholar · View at PubMed · View at Scopus
  16. A. L. Vincent, K. M. Lager, K. S. Faaberg et al., “Experimental inoculation of pigs with pandemic H1N1 2009 virus and HI cross-reactivity with contemporary swine influenza virus antisera,” Influenza and other Respiratory Viruses, vol. 4, no. 2, pp. 53–60, 2010. View at Publisher · View at Google Scholar · View at PubMed · View at Scopus
  17. E. Lange, D. Kalthoff, U. Blohm et al., “Pathogenesis and transmission of the novel swine-origin influenza virus A/H1N1 after experimental infection of pigs,” Journal of General Virology, vol. 90, no. 9, pp. 2119–2123, 2009. View at Publisher · View at Google Scholar · View at PubMed · View at Scopus
  18. B. Lium, A. Germundsson, C. Er, and P. Hopp, “The surveillance and control programme for specific virus infections in swine herds in Norway,” Annual Report, Oslo, Norway, Norwegian Veterinary Institute, pp. 3–8, 2011, http://www.vetinst.no/Forskning/Publikasjoner/OK-rapporter/NOK-2010/Svinevirus.