| Article ID | Journal | Published Year | Pages | File Type | 
|---|---|---|---|---|
| 6121698 | Journal of Clinical Virology | 2012 | 6 Pages | 
Abstract
												Co-circulation of six different genetic groups of influenza A(H1N1)2009 viruses was identified in Spain during the season 2010-2011. Nevertheless, at this stage, none of the groups identified to date have resulted in significant antigenic changes according to data collected by World Health Organization Collaborating Centres for influenza surveillance.
											Keywords
												
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											Authors
												Juan Ledesma, Francisco Pozo, Gabriel Reina, Miriam Blasco, Guadalupe RodrÃguez, Milagrosa Montes, Isabel López-Miragaya, Carmen Salvador, Jordi Reina, Raúl OrtÃz de Lejarazu, Pilar Egido, José López Barba, Concepción Delgado, 
											