duh... it's the kind of stuff only epidemiologist know by heart.

来源: panzerkom 于 2009-04-27 16:19:45 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (229 bytes)

did you know about the spanish flu before the SARS and avian flu outbreaks?

here's some link in chinese:

http://health.people.com.cn/GB/26466/77129/

http://www.people.com.cn/GB/32306/32313/32330/3900380.html

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