WORLD HISTORY

Detailed explanation-1: -Plague is a disease that affects humans and other mammals. It is caused by the bacterium, Yersinia pestis. Humans usually get plague after being bitten by a rodent flea that is carrying the plague bacterium or by handling an animal infected with plague.

Detailed explanation-2: -New World Smallpox: 25-56 million (1520 – early 1600s) 20-60% of those it infected in Europe died.

Detailed explanation-3: -Cholera, bubonic plague, smallpox, and influenza are some of the most brutal killers in human history. And outbreaks of these diseases across international borders, are properly defined as pandemic, especially smallpox, which throughout history, has killed between 300-500 million people in its 12, 000 year existence.

Detailed explanation-4: -Because most people who got the plague died, and many often had blackened tissue due to gangrene, bubonic plague was called the Black Death. A cure for bubonic plague wasn’t available.

Detailed explanation-5: -Bubonic plague: The incubation period of bubonic plague is usually 2 to 8 days. Septicemic plague: The incubation period of septicemic plague is poorly defined but likely occurs within days of exposure. Pneumonic plague: The incubation period of pneumonic plague is usually just 1 to 3 days. More items