Langley joins the FBI and Energy Department in agreeing that a lab leak is the most likely source of the pandemic.

The CIA now believes the virus responsible for the COVID-19 pandemic most likely originated from a laboratory, according to an assessment released Saturday that points the finger at China even while acknowledging that the spy agency has "low confidence" in its own conclusion.

It was unclear the extent to which the agency has collected new intelligence on COVID-19's origins and whether that new evidence was used to formulate the latest assessment.