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jan 1, 1796 - 现代免疫学的开端

Description:

英国医生詹纳首次给一名男孩接种牛痘以预防天花,标志着现代免疫学的开端。

Added to timeline:

ByRay
5 months ago
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Date:

jan 1, 1796
Now
~ 230 years ago