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Euro Surveill. Oseltamivir-resistant influenza A(H1N1)pdm09 virus in Dutch travellers returning from Spain, August 2012

Giuseppe

Emeritus
[Source: Eurosurveillance, full text: (LINK). Abstract, edited.]

Eurosurveillance, Volume 17, Issue 36, 06 September 2012

Rapid communications

Oseltamivir-resistant influenza A(H1N1)pdm09 virus in Dutch travellers returning from Spain, August 2012


A Meijer ()<SUP>1</SUP>, M Jonges<SUP>1</SUP>, P van Beek<SUP>2</SUP>, C Swaan<SUP>2</SUP>, A Osterhaus<SUP>3</SUP><SUP>,4</SUP>, R S Daniels<SUP>5</SUP>, A C Hurt<SUP>6</SUP>, M P Koopmans<SUP>1</SUP><SUP>,4</SUP>
  1. Laboratory for Infectious Diseases and Screening, National Institute for Public Health and the Environment (RIVM), Bilthoven, the Netherlands
  2. Preparedness and Response Unit, National Institute for Public Health and the Environment (RIVM), Bilthoven, the Netherlands
  3. National Influenza Centre, Erasmus Medical Centre, Rotterdam, the Netherlands
  4. Viroscience laboratory, Erasmus Medical Centre, Rotterdam, the Netherlands
  5. World Health Organization Collaborating Centre for Reference and Research on Influenza, Medical Research Council (MRC) National Institute for Medical Research, London, United Kingdom
  6. World Health Organization Collaborating Centre for Reference and Research on Influenza, North Melbourne, Victoria, Australia
<HR>
Citation style for this article: Meijer A, Jonges M, van Beek P, Swaan C, Osterhaus A, Daniels RS, Hurt AC, Koopmans MP. Oseltamivir-resistant influenza A(H1N1)pdm09 virus in Dutch travellers returning from Spain, August 2012. Euro Surveill. 2012;17(36):pii=20266. Available online: http://www.eurosurveillance.org/ViewArticle.aspx?ArticleId=20266
Date of submission: 05 September 2012
<HR>Two Dutch travellers were infected with oseltamivir-resistant influenza A(H1N1)pdm09 viruses with an H275Y neuraminidase substitution in early August 2012. Both cases were probably infected during separate holidays at the Catalonian coast (Spain). No epidemiological connection between the two cases was found, and neither of them was treated with oseltamivir before specimen collection. Genetic analysis of the neuraminidase gene revealed the presence of previously described permissive mutations that may increase the likelihood of such strains emerging and spreading widely.
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