H1N1亚型猪流感病毒中的H1N1是什么意思?亚型是如何划分的?

最好是专业一点的回答
2025-04-07 14:13:31
推荐回答(3个)
回答1:

避免在全球养殖业、禽肉贸易、居民饮食中引发混乱,几大权威组织最终决定停用“猪流感”名称,改用病毒分类的学名A(H1N1)。

流感是人类最常见传染病,大致分A、B、C三种类型。在这三种流感病毒中,A型(即甲型)攻击力最强,也最常见。A型病毒是根据表面密布的两种蛋白质——血细胞凝集素(H)和神经氨酸酶(N)来命名的。其中,H有16个亚型,N有9个亚型。二者组合不同,病毒的毒性和传播速度也不相同。

回答2:

H 是hemagglutinin(血球凝集素), N是 neuraminidase(神经氨酸酶)

亚型就是根据这两种不同的蛋白质种类来划分的。。。。

回答3:

原题:
[医学微生物学]区分流感病毒亚型的依据是?
--------------------------------------------------------------------------------
选项:
A. RNA+NA
B. RNA+HA
C. NA+NP
D. HA+NP
E. HA+NA

答案:
E
解析:
包膜表面有两种病毒编码的糖蛋白刺突,一种称血凝素(HA),另一种称神经氨酸酶(NA),是划分流感病毒亚型的依据。故答案选择E。

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