Wuhan market pinpointed as pandemic's Ground Zero
A market in Wuhan, China, was the epicenter of the COVID-19 pandemic, and the virus emerged from activities connected with the live animal trade, according to research published in Science on Tuesday.
Why it matters: The case-mapping and genetic studies offer some of the strongest evidence yet that the coronavirus jumped from an animal host to humans — a type of zoonotic spillover seen in other outbreaks like SARS, from 2002 to 2004.
What they found: There were two lineages of the virus introduced in humans as early as November 2019.
The variants over time spread into...