WHO Report Says Animals Likely Source of COVID
A joint WHO-China study on the origins of COVID-19 says that transmission of the virus from bats to humans through another animal is the most likely scenario and that a lab leak is "extremely unlikely," The Associated Press reported Monday, citing a draft copy. From the report: The findings offer little new insight into how the virus began to spread around the globe and many questions remain unanswered, though that was as expected. But the report did provide more detail on the reasoning behind the researchers' conclusions. The team proposed further research in every area except the lab leak hypothesis. The report's release has been repeatedly delayed, raising questions about whether the Chinese side was trying to skew the conclusions to prevent blame for the pandemic falling on China. A World Health Organization official said late last week that he expected it would be ready for release "in the next few days." The AP received a copy on Monday from a Geneva-based diplomat from a WHO-member country. It wasn't clear whether the report might still be changed prior to release, though the diplomat said it was the final version. A second diplomat confirmed getting the report too. Both refused to be identified because they were not authorized to release it ahead of publication. The researchers listed four scenarios in order of likelihood for the emergence of the coronavirus named SARS-CoV-2. Topping the list was transmission from bats through another animal, which they said was likely to very likely. They evaluated direct spread from bats to humans as likely, and said that spread through "cold-chain" food products was possible but not likely. Bats are known to carry coronaviruses and, in fact, the closest relative of the virus that causes COVID-19 has been found in bats. However, the report says that "the evolutionary distance between these bat viruses and SARS-CoV-2 is estimated to be several decades, suggesting a missing link."
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