Its from a preprint by two Chinese researchers, that has since been deleted from researchgate, which is why I couldn't find it initially: https://web.archive.o

Its from a preprint by two Chinese researchers, that has since been deleted from researchgate, which is why I couldn't find it initially: https://web.archive.org/web/20200214144447/https:/www.researchgate.net/publication/339070128_The_possible_origins_of_2019-nCoV_coronavirus https://web.archive.org/web/20200214144447/https:/www.resear...