我感冒都起不来床了[/冷汗],他居然说,"咱俩感冒这么严重,阿宝阿旺不能被传染吧?"[/惊讶]每天念叨着"巴比敢冒了,不能亲亲,

回答: TGIF,给大家讲个故事。AtlasShrug2014-09-26 08:55:59

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Viruses don't cross species boundary. -ZoyaWashington- 给 ZoyaWashington 发送悄悄话 (164 bytes) () 09/26/2014 postreply 13:15:34

那禽流感和猪流感是咋回事? -AtlasShrug- 给 AtlasShrug 发送悄悄话 (0 bytes) () 09/26/2014 postreply 13:18:17

Those are due to mutations in avian and swine flu viruses. -ZoyaWashington- 给 ZoyaWashington 发送悄悄话 (27 bytes) () 09/26/2014 postreply 18:55:31

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