• chaosCruiser
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    2 个月前

    People usually think that Yersinia pestis was left in the Middle Ages, but that’s not the case. Just let the rats breed, and you can create another plague epidemic.

    • Carrolade@lemmy.world
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      2 个月前

      You’d also need to make it immune to the various antibiotics that work on it. Otherwise it’s not particularly difficult to treat with modern medicine.

      • ByteJunk@lemmy.world
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        2 个月前

        That’s really hard, which is why they went with preventing people from being able to access healthcare.