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Breaking-News >> TodayHistory British medical scientist Jenner died
Chenna studied for 20 years to defeat smallpox, and finally got inspiration from the ancient recipes of China and milking women, revealing the mystery of cowpox and eliminating smallpox. Keywords: January 24, 1823, Chenner, medical scientist, United Kingdom News raw data sources → https://today.help.bj.cn/show/?id=1669 17WorldNews[2025.09.28-06:50] 访问：75
※※相关信息专题※※ §History0124
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