Article
Changes in the hemagglutinins and neuraminidases of human influenza B viruses isolated in Italy during the 2001-02, 2002-03, and 2003-04 seasons.
Journal of medical virology - 1 Dec 2004
Puzelli Simona, Frezza Fabiola, Fabiani Concetta, Ansaldi Filippo, Campitelli Laura, Lin Yi Pu, Gregory Victoria, Bennett Michael, D'Agaro Pierlanfranco, Campello Cesare, Crovari Pietro, Hay Alan, Donatelli Isabella
Abstract excerpt
Throughout most of the last decade, B/Yamagata/16/88-lineage influenza viruses were predominant among the B isolates circulating worldwide, whereas B/Victoria/2/87-lineage viruses were isolated infrequently and restricted geographically to eastern Asia. During the 2001-02 influenza season, B/Victoria/2/87-lineage viruses re-emerged in North America and Europe and spread worldwide. Virological surveillance in...
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