Covid-19 origins remain a mystery, US declassified report shows

[Collection]A report released on Friday by the US Office of the Director of National Intelligence revealed that US intelligence agencies could not determine whether researchers who fell sick in the Wuhan Institute of Virology in the fall of 2019 were infected with Covid-19, which subsequently spread globally. None of the intelligence released conclusively identifies lab-related work as the cause of the pandemic, and intelligence officials have said they are still seeking information from China.