matter in May 2021. The 90-day review was meant to push American intelligence agencies to collect more information and review what they already had.
Former State Department officials under President Donald Trump had publicly pushed for further investigation into virus origins, as had scientists and the World Health Organization.
But the review proved to be inconclusive, with intelligence agencies saying that barring an unforeseen breakthrough, they wouldn't be able to conclude the origin either way.
Many scientists, including Fauci, who until December served as Biden’s chief medical adviser, say they still believe the virus most likely emerged in nature and jumped from animals to humans, a well-documented phenomenon known as a spillover event.