In 1978,  @WHO  concluded that:  "Laboratory contamination can be excluded because the laboratories concerned either had never kept H1N1 virus or had not worked with it for a long time."  It feels just like a rerun.
https://twitter.com/TheSeeker268/status/1361701403043844098Influenza in China in 1977: recurrence of influenzavirus A subtype H1N1
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2395678/pdf/bullwho00443-0095.pdfSoviets Once Denied a Deadly Anthrax Lab Leak. U.S. Scientists Backed the Story: "It shows how an authoritarian govt can successfully shape the narrative of a disease outbreak and how it can take years — and, perhaps, regime change — to get to the truth."
https://twitter.com/TheSeeker268/status/1406632327451615237