We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleEvidence of cross-reactive immunity to 2009 pandemic influenza A virus in workers seropositive to swine H1N1 influenza viruses circulating in Italy.AuthorsDe Marco MA; Porru S; Cordioli P; Cesana BM; Moreno A; Calzoletti L; Bonfanti L; Boni A; Di Carlo AS; Arici C; Carta A; Castrucci MR; Donatelli I; Tomao P; Peri VM; Di Trani L; Vonesch NPublicationPloS one, 2013, Vol 8, Issue 2, pe57576ISSN1932-6203Publication typearticleDOI10.1371/journal.pone.0057576