What Are The Causes Of Black Death

Some of the most common illnesses were syphilis and smallpox resulting in quarantines, avoidance, closing public baths, and shutting up infected houses. The most deadly and most common disease was Black Death. We now know that the plague was spread by a bacillus named Yersinia pestis through the air or the bite of infected fleas and rats. They we were particularly found in ships which is how the plague made its way to Europe. Symptoms of the Black Death are red, grossly inflamed swollen lymph nodes, high fever, delirium, and convulsions. No one knew how it spread or how to treat it. Most citizens relied on their physicians to use unrefined and unsanitary methods like bloodletting and boil-lancing others used superstitious methods such as burning