Cocirculation and evolution of two lineages of influenza B viruses in europe and Israel in the 2001-2002 season |
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| Authors: | Chi X Sherry Bolar Trentice V Zhao Ping Rappaport Ruth Cheng Sheau-Mei |
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| Institution: | Clinical Immunology and Virology Department, Applied Immunology and Microbiology Division, Wyeth Vaccine Research, Pearl River, New York 10965, USA. |
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| Abstract: | Forty-nine influenza B virus isolates collected in Belgium, Finland, Spain, and Israel during the 2001-2002 winter season were categorized into either of two lineages, B/Yamagata/16/88 or B/Victoria/2/87, based on the phylogenetic studies of HA1 sequences. The data trace the geographic spread of B/Victoria/2/87-like viruses and support the emergence of B/Hong Kong/1351/02-like viruses, possibly due to selective advantages of reassortment. |
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