The article reports that US government sources claim the first people sickened by Covid-19 were scientists at the Wuhan Institute of Virology. However, the article text is not available, and the discussion is based on comments. Some commenters suggest that Covid-19 may have been circulating earlier than initially thought, with possible cases in Europe and the US in late 2019. The discussion also touches on the possibility of a lab leak and the suppression of this theory in the media.