新冠状病毒发生的科普林克

sghdg

看到两篇很不错的新冠状病毒发生的科普。

佚名：冠状病毒的前世今生
http://hx.cnd.org/?p=179328
（由于没有时间转图，就不转贴了）


一篇这方面的传授写的遍及文章。负疚，没有时间翻译：
https://www.marketwatch.com/stor ... oof2&yptr=yahoo

Suresh V. Kuchipudi is a clinical professor and associate director of the Animal Diagnostic Laboratory at Pennsylvania State University in State College, Pa. This was first published on The Conversation — “Why so many epidemics originate in Asia and Africa – and why we can expect more.”