> several researchers at the lab, a center for the study of coronaviruses and other pathogens, became sick in autumn 2019 “with symptoms consistent with both Covid-19 and common seasonal illness.”
https://twitter.com/ZichenWanghere/status/139663272094448435...
It is an old story. Published earlier by Sputnik News last year. Got an official response. And the source is a mistranslated document (samples of sick human misread as sick employees).