• 1
    Dawood FS, Jain S, Finelli L et al. Emergence of a novel swine-origin influenza A (H1N1) virus in humans. N Engl J Med 2009; 360:26052615.
  • 2
    Dawood FS, Iuliano AD, Reed C et al. Estimated global mortality associated with the first 12 months of 2009 pandemic influenza A H1N1 virus circulation: a modelling study. Lancet Infect Dis 2012; 12:687695.
  • 3
    WHO. Pandemic (H1N1) 2009 – Update 112. (Accessed 07 August 2013).
  • 4
    Moser MR, Bender TR, Margolis HS, Noble GR, Kendal AP, Ritter DG. An outbreak of influenza aboard a commercial airliner. Am J Epidemiol 1979; 110:16.
  • 5
    Klontz KC, Hynes NA, Gunn RA, Wilder MH, Harmon MW, Kendal AP. An outbreak of influenza A/Taiwan/1/86 (H1N1) infections at a naval base and its association with airplane travel. Am J Epidemiol 1989; 129:341348.
  • 6
    Foxwell AR, Roberts L, Lokuge K, Kelly PM. Transmission of influenza on international flights, may 2009. Emerg Infect Dis 2011; 17:11881194.
  • 7
    Han K, Zhu X, He F et al. Lack of airborne transmission during outbreak of pandemic (H1N1) 2009 among tour group members, China, June 2009. Emerg Infect Dis 2009; 15:15781581.
  • 8
    Kim JH, Lee DH, Shin SS et al. In-flight transmission of novel influenza A (H1N1). Epidemiol Health 2010; 32:e2010006.
  • 9
    Baker MG, Thornley CN, Mills C et al. Transmission of pandemic A/H1N1 2009 influenza on passenger aircraft: retrospective cohort study. BMJ 2010; 340:c2424.
  • 10
    Ooi PL, Lai FY, Low CL et al. Clinical and molecular evidence for transmission of novel influenza A(H1N1/2009) on a commercial airplane. Arch Intern Med 2010; 170:913915.
  • 11
    WHO technical advice for case management of Influenza A(H1N1) in air transport. 2009.
  • 12
    McLean E, Pebody RG, Campbell C et al. Pandemic (H1N1) 2009 influenza in the UK: clinical and epidemiological findings from the first few hundred (FF100) cases. Epidemiol Infect 2010; 138:15311541.
  • 13
    Tom BD, Van Hoek AJ, Pebody R et al. Estimating time to onset of swine influenza symptoms after initial novel A(H1N1v) viral infection. Epidemiol Infect 2011; 139:14181424.
  • 14
    Galiano M, Agapow PM, Thompson C et al. Evolutionary pathways of the pandemic influenza A (H1N1) 2009 in the UK. PLoS ONE 2011; 6:e23779.
  • 15
    Miller E, Hoschler K, Hardelid P, Stanford E, Andrews N, Zambon M. Incidence of 2009 pandemic influenza A H1N1 infection in England: a cross-sectional serological study. Lancet 2009; 375:11001108.
  • 16
    Neatherlin J, Cramer EH, Dubray C et al. Influenza A(H1N1)pdm09 during air travel. Travel Med Infect Dis 2013; 11:110118.
  • 17
    Shaman J, Kohn M. Absolute humidity modulates influenza survival, transmission, and seasonality. Proc Natl Acad Sci USA 2009; 106:32433248.
  • 18
    WHO. Tuberculosis and Air Travel. 2008 (Accessed 07 August 2013).
  • 19
    Gupta JK, Lin CH, Chen Q. Transport of expiratory droplets in an aircraft cabin. Indoor Air 2011; 21:311.
  • 20
    Poussou S, Mazumdar S, Plesniak MW, Sojka P, Chen Q. Flow and contaminant transport in an airliner cabin induced by a moving body: scale model experiments and CFD predictions. Atmos Environ 2010; 44:10.
  • 21
    Milton DK, Fabian MP, Cowling BJ, Grantham ML, McDevitt JJ. Influenza virus aerosols in human exhaled breath: particle size, culturability, and effect of surgical masks. PLoS Pathog 2013; 9:e1003205.
  • 22
    Yang W, Elankumaran S, Marr LC. Concentrations and size distributions of airborne influenza A viruses measured indoors at a health centre, a day-care centre and on aeroplanes. J R Soc Interface 2011; 8:11761184.
  • 23
    Fabian P, McDevitt JJ, DeHaan WH et al. Influenza virus in human exhaled breath: an observational study. PLoS ONE 2008; 3:e2691.
  • 24
    U.S. Department of Energy. Specification for HEPA filters used by DOE contractors. Washington, DC, USA: US Department of Energy, 2005. Available at: (Accessed 22 September 2013).
  • 25
    Wagner BG, Coburn BJ, Blower S. Calculating the potential for within-flight transmission of influenza A (H1N1). BMC Med 2009; 7:81.
  • 26
    Lessler J, Reich NG, Brookmeyer R, Perl TM, Nelson KE, Cummings DA. Incubation periods of acute respiratory viral infections: a systematic review. Lancet Infect Dis 2009; 9:291300.
  • 27
    Ghani A, Baguelin M, Griffin J et al. The early transmission dynamics of H1N1pdm influenza in the United Kingdom. PLoS Curr 2009; 1:RRN1130.
  • 28
    Surveillance group for new influenza A (H1N1) virus investigation and control in Spain. New influenza A(H1N1) virus infections in Spain, April-May 2009. Euro Surveill 2009;14:19209.
  • 29
    Tuite AR, Greer AL, Whelan M et al. Estimated epidemiologic parameters and morbidity associated with pandemic H1N1 influenza. CMAJ 2010; 182:131136.
  • 30
    Baillie GJ, Galiano M, Agapow PM et al. Evolutionary dynamics of local pandemic H1N1/2009 influenza virus lineages revealed by whole-genome analysis. J Virol 2012; 86:1118.