Could local population have historic immunity against Southern's China bat's coronavirus?
I did read a news article saying that Wuhan Coronavirus expert found Sichuan villagers have SARS (or other coronavirus?) serological immunity due to past epidemic.
@DrEricDing @DanielleFonghttps://twitter.com/TheEconomist/status/1258944732287336454 …
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Replying to @Hugo_Lz @DanielleFong
Certainly possible. There was some limited evidence that someone who survived the old SARS had some degree of protection against the new one. Can’t find the reference at moment.
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Replying to @DrEricDing @DanielleFong
Same. Cant find the reference. But i think the Wuhan virologist harassed since february did some research on existing bat coronavirus from Sichuan(?) forests. And found some serological resistance when put in contact with nearby villagers' blood. 1/
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Replying to @Hugo_Lz @DanielleFong
Not sure but find the link. I did once post an article where tons of coronavirus strains were found in rural villagers who lived near the bats.
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Replying to @DrEricDing @DanielleFong
For prehistoric migrations... i think Vietnamese indeed come from Sichuan and Guangdong: crossed through Nanzhao & Southern hill tropical forests possibly encountering previous coronavirus variants. These forests & indochina's locals are "best candidates for historic immunity".pic.twitter.com/X2Li9jBQqr
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˗ˏˋ Hugo Lpz 羅禹國 ˎˊ˗ Retweeted ˗ˏˋ Hugo Lpz 羅禹國 ˎˊ˗
Meanwhile, Wuhan's
#HanChinese "recently" came from the Chinese plain on the North, and only in past 2200 years got into Sichuan to blend with earlier Sichuanese and came into contacts with these bat-hostings tropical forests.https://mobile.twitter.com/Hugo_Lz/status/1268161904591110151 …˗ˏˋ Hugo Lpz 羅禹國 ˎˊ˗ added,
˗ˏˋ Hugo Lpz 羅禹國 ˎˊ˗ @Hugo_LzReplying to @DrEricDing @DanielleFongFor prehistoric migrations... i think Vietnamese indeed come from Sichuan and Guangdong: crossed through Nanzhao & Southern hill tropical forests possibly encountering previous coronavirus variants. These forests & indochina's locals are "best candidates for historic immunity". pic.twitter.com/X2Li9jBQqr1 reply 0 retweets 0 likes -
Point is: Nanzhao plateau villagers and historic minorities, Vietnameses, Laosians, are good candidates for historic immunity. The surprising good results of Vietnam despite 2020 proximity with January 2020 Wuhan outbreak could be partially resulting from that.
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Replying to @Hugo_Lz @DanielleFong
Interesting but we need studies on immunity among these Vietnam villages to establish if it’s true. it’s possible given known cross immunity. Though will it lead to changes in global health policy in this pandemic? Doubtful.
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Replying to @DrEricDing @DanielleFong
The 0.6% and 3% displayed aboved are far from needed levels to radically affect the pandemic in SE Asia. Maybe heritage makes it far less severe in these populations ?? I still lean for "they simply rushed quickly, apolitically, efficiently, under the direction of strong states".
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much more likely imho. ans more social distance in their society, colleftive consciencousness
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