PLOS Pathogens: Dating first cases of COVID-19 | Peer-Reviewed | media article links in comments | 25JUN21 User IIWIIM8, in the COVID-19, "nCoV" subreddit, 25 Jun 2021
Dating first cases of COVID-19 User ErwinFurwinPurrwin, in the Anthony Fauci Fans subreddit, 25 Jun 2021