%0 Journal Article %T Specific Recognition of Influenza A/H1N1/2009 Antibodies in Human Serum: A Simple Virus-Free ELISA Method %A Mario M. Alvarez %A Felipe L¨®pez-Pacheco %A Jos¨¦ M. Aguilar-Ya£¿ez %A Roberto Portillo-Lara %A Gonzalo I. Mendoza-Ochoa %A Sergio Garc¨ªa-Echauri %A Pamela Freiden %A Stacey Schultz-Cherry %A Manuel I. Zertuche-Guerra %A David Bulnes-Abundis %A Johari Salgado-Gallegos %A Leticia Elizondo-Montemayor %A Mart¨ªn Hern¨¢ndez-Torre %J PLOS ONE %D 2012 %I Public Library of Science (PLoS) %R 10.1371/journal.pone.0010176 %X Although it has been estimated that pandemic Influenza A H1N1/2009 has infected millions of people from April to October 2009, a more precise figure requires a worldwide large-scale diagnosis of the presence of Influenza A/H1N1/2009 antibodies within the population. Assays typically used to estimate antibody titers (hemagglutination inhibition and microneutralization) would require the use of the virus, which would seriously limit broad implementation. %U http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0010176