New assessment on the origins of Covid-19 adds to the confusion

[{"selector":"#anim-0a264878-9759-4133-bb8f-35dbbdc86d6f","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-00a6c65f-f225-4d44-a292-fe10096efc7d [data-leaf-element=\"true\"]","keyframes":{"transform":["translate(23.439560787118268%, 0%) scale(1.5)","translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] A close-up view of a swab used by medical workers to administer the coronavirus test at the drive-in center at ProHealth Care on March 21, 2020 in Jericho, New York. A close-up view of a swab used by medical workers to administer the coronavirus test at the drive-in center at ProHealth Care on March 21, 2020 in Jericho, New York.

[{"selector":"#anim-1c131faa-1437-45a3-abd7-821ebda57770","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-2b05367c-897e-43eb-884f-d8c3e78516f4 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate(7.148829534335874%, 0%) scale(1.5)","translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] Those words, from Dr. David Relman, an infectious disease expert and microbiologist at Stanford University, reflected the national conversation around the origins of Covid-19 in 2021 Those words, from Dr. David Relman, an infectious disease expert and microbiologist at Stanford University, reflected the national conversation around the origins of Covid-19 in 2021