Antigenic and Genetic Characteristics of Swine-Origin 2009 A(H1N1) Influenza Viruses Circulating in Humans. - Garten, Rebecca J.; Davis, C. Todd; Russell, Colin A.; Bo Shu; Lindstrom, Stephen; Balish, Amanda; Sessions, Wendy M.; Xiyan Xu; Skepner, Eugene; Deyde, Varough; Okomo-Adhiambo, Margaret; Gubareva, Larisa; et al. (Science (pre-March 2025), 2009)