Phylogenetic analyses of highly pathogenic avian influenza virus isolates from Germany in 2006 and 2007 suggest at least three separate introductions of H5N1 virus - Starick, E; Beer, M; Hoffmann, B; Staubach, C; Werner, O; Globig, A; Strebelow, G; Grund, C; Durban, M; Conraths, FJ; Mettenleiter, T; Harder, T
Vet Microbiol (in press).