In general, names of diseases are not capitalized unless they contain a proper name, such as Crohn’s disease.
So, it’s the plague.
Blacbird’s question is valid.
According to Merriam-Webster, it’s the plague, the bubonic plague, or black death.
Is Black Death a proper noun?
(medicine, historical) A pandemic outbreak (often attributed to bubonic plague) throughout Europe and most of Asia in the 14th century that killed nearly half the population of Europe and Asia.
Which diseases are capitalized?
Diseases named after people are capitalized.
Some disease names are capitalized because they are named after the person who discovered them. For example, Alzheimer’s disease is named after a German doctor named Alois Alzheimer, and Down’s syndrome is named after a British doctor named John Langdon Down.
What’s another word for black death?
A: Today, it’s best known as the Black Death or the bubonic plague. Medieval people called it “the blue sickness,” La pest (“the Pestilence”), and “the Great Mortality.” The name bubonic comes from the medieval Latin word bubo via Italian bilbo–meaning a pustule, growth, or swelling.
What places did the Black Death hit?
Not long after it struck Messina, the Black Death spread to the port of Marseilles in France and the port of Tunis in North Africa. Then it reached Rome and Florence, two cities at the center of an elaborate web of trade routes. By the middle of 1348, the Black Death had struck Paris, Bordeaux, Lyon and London.