1Novel Swine-Origin Influenza A( H1N1 ) Virus Investigation Team. Emergence of a Novel Swine-Origin Influenza A ( H1N1 ) Virus in Humans. N Engl J Med, 2009,25:2 605 -2 615.
2BELSHE RB. Implications of the emergence of a novel H1 influenza virus. N Engl J Med, 2009,360(25) :2 667 -2 668.
3Heath Protection Agency West Midlands H1N1v Investigation Team. Preliminary descriptive epidemiology of a large school outbreak of influenza A (H1N1)v in the West Midlands, United Kingdom, May 2009. Euro Surveill, 2009,14(27) :14 - 16.
4GUTIERREZ I , LITZROTH A, HAMMADI S, et al. Community transmission of influenza A (H1N1) virus at a rock festival in Belgium, 2 -5 July 2009. Euro Surveill, 2009,14(31) :18 -21.
5SMITH A, COLES S, JOHNSON S , et al. An outbreak of influenza A(H1N1)V in a boarding school in South East England, May-June 2009. Euro Surveill, 2009,14(27) :10 - 13.
6GUINARD A, GROUT L, DURAND C, et al. Outbreak of influenza A( H1N1 )v without travel history in a school in the Toulouse district, France, June 2009. Euro Surveill, 2009,14(27) :17 - 19.
7LONCAREVIC G, PAYNE L, KON P, et al. Public health preparedness for two mass gathering events in the context of pandemic influenza ( H1N1 )2009 - Serbia , July 2009. Euro Surveill, 2009,14(31 ) :14 -17.
