Actually, rats' involvement in the spread of the Black Plague is under question. https://www.history.com/news/rats-didnt-spread-the-black-death-it-was-humans h

Actually, rats' involvement in the spread of the Black Plague is under question. https://www.history.com/news/rats-didnt-spread-the-black-death-it-was-humans https://www.history.com/news/rats-didnt-spread-the-black-dea... https://news.nationalgeographic.com/2018/01/rats-plague-black-death-humans-lice-health-science/ https://news.nationalgeographic.com/2018/01/rats-plague-blac... https://www.sciencealert.com/black-death-plague-spread-humans-lice-not-rats https://www.sciencealert.com/black-death-plague-spread-human... https://www.washingtonpost.com/news/speaking-of-science/wp/2018/01/16/the-classic-explanation-for-the-black-death-plague-is-wrong-scientists-say/ https://www.washingtonpost.com/news/speaking-of-science/wp/2...