Office of the Director of National Intelligence, June 2023: the Energy Department and FBI judge a lab-related incident most likely, for different reasons, while all agencies still view both lab and natural origins as plausible. It found no direct evidence of a specific research incident.
The Department of Energy and the Federal Bureau of Investigation assess that a laboratory-associated incident was the most likely cause of the first human infection with SARS-CoV-2, although for different reasons.
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Office of the Director of National Intelligence, June 2023: the Energy Department and FBI judge a lab-related incident most likely, for different reasons, while all agencies still view both lab and natural origins as plausible. It found no direct evidence of a specific research incident.