title: Classical swine H1N1 influenza viruses confer cross protection from swine-origin 2009 pandemic H1N1 influenza virus infection in mice and ferrets.
authors.affiliation: Laboratory of Infectious Diseases, NIAID, NIH, Bethesda, MD 20892.
authors.forename: Ji-Young
authors.initials: JY
authors.lastname: Min
authors.affiliation: Laboratory of Infectious Diseases, NIAID, NIH, Bethesda, MD 20892.
authors.forename: Grace L
authors.initials: GL
authors.lastname: Chen
authors.affiliation: Laboratory of Infectious Diseases, NIAID, NIH, Bethesda, MD 20892.
authors.forename: Celia
authors.initials: C
authors.lastname: Santos
authors.affiliation: Laboratory of Infectious Diseases, NIAID, NIH, Bethesda, MD 20892.
authors.forename: Elaine W
authors.initials: EW
authors.lastname: Lamirande
authors.affiliation: Laboratory of Infectious Diseases, NIAID, NIH, Bethesda, MD 20892.
authors.forename: Yumiko
authors.initials: Y
authors.lastname: Matsuoka
authors.affiliation: Laboratory of Infectious Diseases, NIAID, NIH, Bethesda, MD 20892.
authors.forename: Kanta
authors.initials: K
authors.lastname: Subbarao