Since COVID-19 first took off, political leaders, infectious disease specialists, and the lay public have debated its origins. Eventually, two hypotheses emerged: Either the virus crossed over from animals to humans in a wet market in Wuhan—the city in which the disease first appeared—or it leaked from a Chinese lab,

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.

China on Monday dismissed the possibility that the virus that caused COVID-19 leaked from a lab, after the CIA said it now favors the so-called lab leak theory over natural transmission. “It is extremely unlikely the pandemic was caused by a lab leak,

The Central Intelligence Agency with a "low confidence" has changed its stance and concluded that it's likely the COVI-19 virus was leaked from a Chinese lab before it became a global pandemic five years ago.

The intelligence agency says it has a “low confidence” in its new finding, but this is further than it has ever gone in pinpointing the origin of a virus that killed millions worldwide.

Backs Lab Leak Theory for COVID-19, but Confidence Remains Low By India Edwards HealthDay Reporter MONDAY, (HealthDay News) -- After years of speculation, the CIA has weighed in yet again: A lab leak is now considered the likely origin of the COVID pandemic.

China says it's "extremely unlikely" that COVID-19​ came from a lab, after the CIA said it believed​, though with low confidence, that it did, rather than from natural transmission.

The nuanced finding suggests the agency believes the totality of evidence makes a lab origin more likely than a natural origin.