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A decline of 90% in the New World Indian population

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Q: What was the effect of the Native American's lack of immunity to smallpox malaria and yellow fever?
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Who or what killed native Americans in 1492?

They were killed by disease such as smallpox, influenza, and malaria.


Did many native Americans die of smallpox before spanish colonies established?

Before Columbus smallpox did not exist among native Americans. As a result, they had no immunity it and it decimated their population.


What is the demise of Native Americans?

Diseases such as smallpox which they had no immunity to because of foreign European settlers.


The plight of smallpox helped defeat the rebellion of what man?

Smallpox infected blankets were used to defeat the Native American opposition to conquest. The Native Americans had no natural immunity to smallpox.


What was one Major European killer of native Americans?

One major European killer of Native Americans was disease. Europeans brought diseases such as smallpox, measles, and influenza to the Americas, to which the indigenous peoples had no immunity. These diseases caused widespread devastation and significantly reduced the population of Native Americans.


What was the disease impacted native Americans populations in the 1500s and the 1800s?

The Native Americans were impacted by many illnesses that came from the new settlers. In the 1500's and 1800's the Native population was affected by smallpox for which they had no immunity.


What was the reason for native population in central Mexico to decrease starting in 1500?

Disease brought by Spanish conquistadors, such as smallpox. Native Americans didn't have immunity and died by the millions.


How did the erepens bring smallpox to the new world?

the native Americans have no immunity to the disease so when the europeans that had it came over they spreaded it real fast.


What happened when whites came and introduced Aboriginals to diseases like smallpox?

They died because they had no immunity. Just like the Native Americans. In what was one of the first cases of biological warfare the US army left smallpox contaminated blankets for native Americans to collect. Many died


What virus killed an estimated 130000 people in North America in the 1770s and 1780?

Smallpox. The European settlers brought it, but the native Americans had no immunity to it at all.


What effect did European exploration have on Native Americans?

The Europeans carried deadly diseases into America killing most of the native population. The most deadly of these diseases were typhus, measles, Bubonic Plague, malaria, and smallpox. In the early 1700s, smallpox wiped out half the Cherokee. In the early 1800s, it wiped out two-thirds of the Omaha and all the Mandan people. Smallpox killed at least half of the west native population.


How did the lack of immunity to disease affect the native American people?

many native peoples died because Europeans brought disease germs and native peoples bodies were not strong enough to protect them from small pox and measles.