Essay from the year 2017 in the subject Biology - Diseases, Health, Nutrition, grade: 1, language: English, abstract: This essay explores the long history of Yersinia pestis, otherwise known as The Black Plague, The Black Death, or The Bubonic Plague. The essay explores the possible routs the bacterium took to end up being one of the most deadly diseases known to the history of man, also delving into topics like the bacterium's structure, function, its strengths, and how it uses fleas as a vector of infection.