Final sentence: “ Overall then, the threat of a virulent epidemic emerging from the permafrost is conceivable, but extremely unlikely. Most novel diseases are likely to emerge from present day animal populations as humans intrude into their habitats, as already seen with Ebola, SARS, and many others.”
https://www.acsh.org/news/2018/05/22/plagues-permafrost-will-thawing-ice-bring-back-curse-mummy’s-tomb-12989
