It is now known that the plague bacterium Yersinia pestis has been present in Central and Northern Europe for more than 5,000 years. However, it is still uncertain whether it also led to pandemics ...
See, the plague was actually caused by a bacterium called Yersinia pestis, spread by infected fleas and transported worldwide by rats. And the plague itself? Well, it never actually went away.
They weaponized anthrax. They weaponized smallpox. They weaponized Yersinia pestis or plague. They weaponized Marburg virus. They grew it to high concentrations in guinea pigs. Now, it takes a lot ...