C402 Tens of Thousands of Zombies 34

"If I had studied the serum first, it wouldn't have been the Bacterial Strain. Not everyone had the physique to fight against poison. In Country M, not a single person who had been injected with a Bacterial Strain would be able to survive. And in my country, as far as I know, I'm the only one. Therefore, there is no need for you to think about it as a fluke. Furthermore