title: H7N9疫情会大面积爆发吗？有什么注意事项？
topic: 健康
content: 今在在 virology blog 上终于有了关于 H7N9 的一则文章： First human infections with avian influenza H7N9 virus 看了一下，看到两点： Peter Palese notes that the human H7N9 isolates do not have a serine in position 61 as does the 1918 virus. This change is a human virulence marker for some animal influenza viruses. Brian Kimble notes that the H7N9 isolates possess a L226 equivalent in the HA， whic
answerer_tags: 《虹膜》「娱乐的逻辑」专栏作者