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转一篇从数理统计角度关于病毒起源的分析, P% O# ^8 S: d: A: O7 G: q' ?
https://user.guancha.cn/main/content?id=285543&s=fwzwyzzwzbt
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Rockland County population 325,789 (2019)1 b* J' L/ d, B5 l! G& G
https://www.google.ca/search?sxs ... &sclient=psy-ab- ]8 D- r3 @0 [
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Rockland County COVID-19 cases 9,699 by April 227 l9 ~( o5 }6 e
https://www.lohud.com/story/news ... dnesday/3002554001/: O4 s9 O) ^0 G5 F( X
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9699 / 325789 = 2.98% !" R/ {* u- U9 _$ f, p3 r2 ?, E
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How to Get Rid of Bats in the Attic; B5 d2 f/ v3 L+ D+ L7 Q
http://www.wildlifeanimalcontrol.com/bats.html
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8 |1 T: }9 E# S' k( e补充内容 (2020-4-22 23:04):& ^7 S6 A1 R4 Y2 U5 R0 D# c
There have been 23,150 tests performed here (Rockland County), with a 41.9% rate of positives.
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