And there is smallpox virus stored in labs in Russia and Atlanta for research purposes under the supervision of the WHO. It also has turned up in labs in Philadelphia in 2021 and Bethesda in 2014 as leftovers, could it be in other labs in the world? Hopefully it would be contained quickly if it ever escaped from a lab due to poor quality control, but sorry for those that would be affected.

https://www.science.org/content/article/six-vials-smallpox-discovered-us-lab

The Philadelphia lab virus was later identified as the virus used to produce the smallpox vaccine rather than the actual smallpox virus.

https://www.livescience.com/smallpox-vials-discovered-pennsylvania-research-lab