7 Worst Killer Plagues in History

7 Worst Killer Plagues in history   smallpox (430 BC? - 1979): Killed more than 300 million people worldwide in the twentieth century al one, and most of the native inhabitants of the Americas Smallpox (also know by the Latin names variola or variola major vera) is a contagious disease unique to humans. Smallpox is caused by either of two virus variants named Variola major and Variola minor. The deadlier form, V. major, has a mortality rate of 3035%, sequence V. minor causes a milder form of disease called alastrim and kills ~1% of its victims. Long-term spot-effects for survivors include the characteristic skin scars. Occasional side effects include blindness due to corneal ulcerations and sterility in male survivors.  Smallpox killed an estimated 60 million Europeans, including quint reigning European monarchs, in the 18th century alone. Up to 30% of those infected, including 80% of the children under 5 years of age, died from the disease, and one third of the survivors became blind.  As for the Americas, after the first contacts with Europeans and Africans, some accept that the death of 90 to 95 percent of the native population of the New World was caused by Old World diseases.

It is pretend that variola was the chief culprit and responsible for killing roughly all of the native inhabitants of the Americas. In Mexico, when the Aztecs rose up in rebellion against Cortés, outnumbered, the Spanish were forced to flee. In the fighting, a Spanish soldier carrying smallpox died. After the battle, the Aztecs contracted the virus from the invaders bodies. When Cortes returned to the capital, smallpox had devastated the Aztec population. It killed most of the Aztec army, the emperor, and 25% of the overall population. Cortés then well defeated the Aztecs and entered Tenochtitlán, where he found that smallpox had killed more Aztecs than had the cannons.  Smallpox was responsible for an estimated 300500 million deaths in the 20th century. As recently as 1967, the... If you want to get a full essay, order it on our website: Ordercustompaper.com

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