几乎同意，只是一世纪之前没火车、汽车、飞机，isolated, virus killed people locally。

所有跟帖： 

• 不知墨西哥的玛雅人怎么被消灭的。 -AP33912- ♂ (0 bytes) () 06/08/2023 postreply 19:55:00

• Maybe their descendants are still around. Who knows? -renqiulan- ♂ (0 bytes) () 06/08/2023 postreply 20:21:17

• We humans are primates, after all. -寒苇- ♀ (0 bytes) () 06/09/2023 postreply 06:48:48

• 如果一个文明被一种疾病消灭了，说明它的基因多样性不够。 -唐宋韵- ♂ (0 bytes) () 06/08/2023 postreply 21:52:56

• 唐宋君早安！谢谢指出。可否列举几项参考及例证？中英皆可。 -renqiulan- ♂ (0 bytes) () 06/09/2023 postreply 05:58:10

• 人类在数百万年的进化历程中高度杂交，大洲人群有较好的基因多样性，甚至除非洲人之外的其他人群，其DNA中 -唐宋韵- ♂ (534 bytes) () 06/09/2023 postreply 08:36:39

• We are still bearing ancient genes. -寒苇- ♀ (0 bytes) () 06/09/2023 postreply 06:54:02

• 文明被消灭，不等于人种被消灭。玛雅人的后代还在，已经融入墨西哥人。病毒，天灾等迫使他们改变生活方式而已。 -咲媱- ♀ (0 bytes) () 06/09/2023 postreply 07:05:12

• 阿普有道理，个别文化的没落可能部份由于病毒，然而也只是猜想多于实据。 -renqiulan- ♂ (0 bytes) () 06/08/2023 postreply 20:14:31

• The Black Death (bacteria) is a well-known case in point. -renqiulan- ♂ (0 bytes) () 06/08/2023 postreply 20:26:20

• This plague killed millions & then subsided. -寒苇- ♀ (0 bytes) () 06/09/2023 postreply 06:57:13

• 蒙古大帝国也受此疫影响而变弱回亚。 -AP33912- ♂ (0 bytes) () 06/09/2023 postreply 07:36:00

• Closer human contacts, higher risks of viral outbreaks. -renqiulan- ♂ (0 bytes) () 06/08/2023 postreply 20:38:36

• That's a working definition of contagion. -寒苇- ♀ (0 bytes) () 06/09/2023 postreply 06:58:11