World
What are WHO researchers trying to learn about COVID-19 origins in Wuhan? Is the secrecy necessary?
Possible visits after a 14-day quarantine are to the market where the first cases came up in December 2019, and the Wuhan Institute of Virology.
World
WHO expert team arrives in Wuhan to begin investigating the origins of the COVID-19 pandemic
A single scientific visit is unlikely to confirm the origins; it could take years of genetic analysis and epidemiological studies to find an answer.
Health
Study suggests COVID-19 may have originated as early as September
A Cambridge study, which is yet to be peer-reviewed, has used genetic data to suggest that COVID-19 may have originated in September.