Influenza Vaccine

Changes in hemagglutinins and neuraminidases of influenza B viruses outlined

Published in Vaccine Weekly, January 19th, 2005

Scientists outline changes in the hemagglutinins and neuraminidases of human influenza B viruses isolated in Italy during the 2001-02, 2002-03, and 2003-04 seasons in a recent issue of the Journal of Medical Virology.

"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 Italy during that season showed wide...

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Source: Vaccine Weekly (2005-01-19)

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