Scientists Challenge COVID-19 Origin Theories in Heated Senate Debate

Experts argue over lab-leak versus natural spillover origins, pushing for retractions of early pandemic research papers.

Rutgers molecular biologist Dr. Richard Ebright claims zero evidence supports natural origin of COVID-19.
Senate hearing highlights conflicting views on the virus's origins, with some scientists alleging scientific misconduct.
Dr. Stephen Quay and Dr. Robert Garry present opposing evidence on lab-leak and natural spillover theories.
Calls for retractions of early pandemic papers published in major journals due to alleged scientific fraud.
Senators emphasize the need for transparency and accountability in understanding COVID-19's origins.