Generally, a person may be punished for sedition only when he or she makes statements that create a Clear and Present Danger to rights that the government may lawfully protect (schenck v. united states, 249 U.S. 47, 39 S. Ct. 247, 63 L. Ed. 470 [1919]).
The epidemic reached its zenith in the years 1348 to 1350, though the disease never vanished entirely. It is widely believed that the cause of the Black Death was bubonic plague, an infectious and fatal illness spread by rodents and the fleas infesting them.
The Bubonic Plague (or called Black Death) was an epidemic that sturk Europe. People from China and Mongolia came with the disease from trading on the silk road. In 1348 the virus ,known as the Yersinia pestis bacterium, and until 1351 the bacterium had killed 1/3 of Europe.