Jeffery Sachs is a primary source on this issue: https://en.wikipedia.org/wiki/Jeffrey_Sachs#COVID-19

In spring 2020, Richard Horton, editor of The Lancet, appointed Sachs as chair of its COVID-19 Commission, whose goals were to provide recommendations for public health policy and improve the practice of medicine. Sachs set up a number of task forces, including one on the origins of the virus.

The Lancet is referenced over a dozen times on Wikipedia’s main COVID-19 page.