Resources with keywords: origin
The IC assesses that SARS-CoV-2, probably emerged and infected humans through an initial small-scale exposure that occurred no later than November 2019 with the first known cluster of COVID-19 cases arising in Wuhan, China in December 2019.
The objective of this report was to review publicly available, open-source information to examine the two prevailing theories of origin of the SARS-CoV-2 virus: a natural zoonotic outbreak or a research-related incident.