What Lina Chen, a postdoctoral researcher at the Broad Institute of MIT and Harvard, one of 18 scientists who published a letter in Science last month, thinks more and more scientists are starting to openly discuss: There is no clear evidence either way, not that the coronavirus definitely leaked from a Chinese lab. "There has been no new evidence in the past 16 months that the virus came from a laboratory," said Maciey F. Boni, an associate professor of biology at Penn State who specializes in tropical disease epidemiology and virus evolution.
https://www.nbcnews.com/science/science-news/lab-leak-theory-science-scientists-rcna1191