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First COVID-19 case could have emerged in China in Oct 2019 - study

First COVID-19 case could have emerged in China in Oct 2019 - study

15 Sept 04:10 Key points summarised by AI
  • A new study from Britain's University of Kent estimates SARS-CoV-2 began spreading in China as early as October 2019, two months prior to the first identified case.
  • Researchers pinpoint November 17, 2019, as the most likely emergence date, suggesting the virus had already spread globally by January 2020, predating the official December 2019 Wuhan outbreak.
  • Recovered deleted sequencing data from early cases indicates Huanan market samples were not representative, implying an earlier, circulating progenitor virus and raising concerns over data deletion by Chinese investigators.
  • Another study found the virus was highly adapted to human receptors upon emergence, while acknowledging the lab leak hypothesis cannot be definitively ruled out.
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