I found this dire warning on the Japanese “Notes” site. It is valid in terms of Replicon coronavirus vaccines, which the Japanese government has approved. Can’t say about it being the end of Japan, which the author warns should be evacuated immediately… nor the contention it could spell the end of the world itself. Below is the article - make of it what you will:
https://note.com/ni52ko/n/nadd92669427a
Replicon vaccines: end of the world? Dire warning...