There is no doubt about the lethality of biological and chemical weapons to human beings, and there is no doubt that Longkan is developing biological and chemical weapons, however, the Dragon Continent does not prohibit other biological and chemical weapons like the ban on nuclear weapons.

I don't know if it's because of the short history of a few hundred years, human beings have not really experienced the harm of other biological and chemical weapons.

In comparison, biological weapons may be more harmful than chemical weapons, and since ancient times, more people have died from biological crises such as diseases and epidemics than from chemical weapons.

"There are two things terrible about the virus, one is contagious, and the other is mutability. Longkanguo did not recognize the seriousness of the problem......

Chapter 397 of "Dragon Birthday": Mood Problems Lobbying Frustration is in the middle of the hand, please wait a moment,

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