via Washington Post on July 7, 2021
From Wuhan to Paris to Milan, the search for ‘patient zero’
By Eva Dou, Lyric Li, Chico Harlan and Rick Noack
“We can actually say surprisingly little about the pandemic origin,” said Sergei Pond, a Temple University biology professor, who has been analyzing some of the earliest SARS-CoV-2 genetic sequences. “We are looking at very few sequences and trying to learn a lot about them.”
