Chapter 1212： story

"The virion spreads in the air and infects each other among humans, causing a large number of deaths. Well, I think the virion is transmitted through some medium, so the effect of the virus has been weakened a lot, and the death rate has been reduced a lot .”

"Uh, isn't the death rate high?" Sandy flipped through the autobiography in hand, "It says that less than one tenth of the human race survived the plague."

"Comparatively speaking, the death rate is already very low, and we

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