The Black Death(Bubonic Plague) is a deadly disease that spreaded in The Middle Ages in Europe.
The contagiously disease spreaded by the bites of infected rats and fleas. The plague was an epidemic.
Doctors used techniques like "bloodletting" , "boil balancing" and "superstitious practices" as burning herbs and bathing in rosewater and rinegar.
The affects of the Black Death caused fever, chills, vomiting, diarrhea, aches & pains, and death. The Black Death killed more than 20 million people and take up 1/3 of the Europe's population.
The plague was gone after three years then reappeared every few generations for years.