The article is based heavily on Chinese-language documents that appear to have been mistranslated and misinterpreted, according to Chinese language experts who have piled on via social media since its publication.
It also takes as gospel a report by a rump group of Republican congressional staff members asserting that the pandemic was “more likely than not, the result of a research-related incident.”
Source: Hiltzik: ProPublica’s flop on COVID’s origins – Los Angeles Times