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The Aztecs and other Indigenous groups affected by the outbreak were disadvantaged due to their lack of exposure to zoonotic diseases. [17] Given that many Old World pathogens may have caused the cocoliztli outbreak, it is significant that all but two of the most common species of domestic mammalian livestock (llamas and alpacas being the ...
Mexico's native population was one of the first to experience a smallpox epidemic, where many succumbed to the disease. In 1520, the first wave of smallpox killed 5–8 million people. From 1545 to 1576, up to 17 million people died from smallpox. This large amount of deaths in the second wave are thought to be the result of hemorrhagic fevers. [5]
The 1864 epidemic killed 25,000 inhabitants, one third of the total population in that same area. In 1713, an outbreak occurred in South Africa after a ship from India docked at Cape Town, bringing infected laundry ashore. Many of the settler European population suffered, and whole clans of the Khoisan people were wiped out.
Diseases like smallpox could travel great distances and spread throughout large populations, which was the case with the Aztecs having lost approximately 50% of its population from smallpox and other diseases. [33] The disease killed an estimated forty percent of the native population in the area within a year.
The bulk of the Spanish infantry, left behind by Cortés and the other horsemen, had to cut their way through the masses of Aztec warriors opposing them. Many of the Spaniards, weighed down by their armor and booty, drowned in the causeway gaps or were killed by the Aztecs. Much of the wealth the Spaniards had acquired in Tenochtitlan was lost.
An unknown illness first discovered in three children who ate a bat has rapidly killed more than 50 people in northwestern Congo over the past five weeks, health experts say.
During the 1770s, smallpox killed at least 30% (tens of thousands) of the Northwestern Native Americans. [74] [75] The smallpox epidemic of 1780–1782 brought devastation and drastic depopulation among the Plains Indians. [76] By 1832, the federal government of the United States established a smallpox vaccination program for Native Americans. [77]
Also known as chronic wasting disease, "zombie deer disease" is a prion disease, a rare, progressive and fatal neurodegenerative disorder that affects deer, elk, moose and other animals, the CDC says.