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The intermediary host species of SARS1 was identified within four months of the epidemics outbreak, and the host of MERS within nine months. Yet some 15 months after the SARS2 pandemic began, and after a presumably intensive search, Chinese researchers had failed to find either the original bat population, or the intermediate species to which SARS2 might have jumped, or any serological evidence that any Chinese population, including that of Wuhan, had ever been exposed to the virus prior to December 2019 -, - SARS MERS 4 9 , 15 SARS2, , , ( - ). - , ( ), , .
https://schegloff.livejournal.com/1258126.html