A series of breakthroughs have recently been made in discovering broadly neutralizing antibodies ( bnAb) against infleu nza virus, and the discoveries have spawned the research on developing broader influenza vaccine ( BIV) .The bnAb and BIV are being developed as new biologics for the prevention or treatment of infection caused by different types of influ-enza virues s that continuously undergo antigenic evolution in various hosts .%近年来,在流感病毒的广谱中和抗体( bnAb )研究领域中有了突破性的进展,这些进展力推了广谱流感疫苗( BIV)的研制。bnAb 和BIV可能成为有效预防并治疗多型、易变、宿主众多的流感病毒感染的新型生物制品。
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