换句话说，就像斗牛士的斗篷一样，血凝素的头部将免疫攻击的目标从病毒相对更脆弱的地方转移开。
Like a bullfighter's cape, in other words, the heads of haemagglutinin deflect the immune attack away from more vulnerable parts of the virus.
“血凝素是一个诱饵”，波士顿哈佛医学院的免疫学家韦恩·马拉斯科说，“这些球状头部可以有很多变异还不对病毒产生不好的影响。”
"Haemagglutinin's a decoy," says Wayne Marasco, an immunologist at Harvard Medical School in Boston. "Those globular heads can undergo many mutations without the virus suffering any ill effects."
单克隆抗体是用含有流感血凝素表位(ypydvpdya)的合成肽段肽段免疫动物生产的。
Monoclonal antibody is produced by immunizing animals with a synthetic peptide containing the influenza hemagglutinin epitope (YPYDVPDYA).
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