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They had never before been exposed to them so their immune systems had no immunity at all and could not respond to the infections.
In Europeans diseases like Smallpox had about a 30% fatality rate, in the Americans had a fatality rate exceeding 90% and in Europeans diseases like Measles, Mumps, and German Measles had only a tiny fatality rate, in the Americans had fatality rates exceeding 50%. These diseases totally decimated the native American population and kept it down for several generations, until a small degree of immunity began to develop in the survivors.
What else can I help you with?
If you don't take your cat to get her vaccines?
It runs a risk of getting infected with whatever diseases/illnesses you do not vaccinate it again. Please, vaccinate your animals.
Why did European diseases that were brought to America kill more Native Americans than Europeans?
Herd Immunity. Europeans were around people who have had European diseases (in various stages of recovery). When you get small doses of a disease, your body can start working on getting rid of it, perhaps without you getting the full symptoms. If you have never been around a disease your body has to start from "scratch" and learn it.
Which American policy was meant to keep European countries from getting involved in north and south?
The Monroe Doctrine
What are some negatives of the European nations and the territories gained from the Spanish American war?
Dying and getting injured.
What American policy was meant to keep European countries from getting involved in north and south America?
The Monroe Doctrine.
Which American policy was meant to keep European countries from getting involved in North and South America?
The Monroe Doctrine
How can you prevent your dog getting coccidiosis?
Keep puppies away from dog parks or other areas that there may be coccidiosis infected feces (and other infectious diseases) until they are old enough to have a more developed immune system.
What is the chance of getting infected with botfly larvae?
99.9%
Can a person spread aids soon after getting infected?
no. they can not
What are the statistics of a computer getting infected by a virus?
40% of computer users have been infected by a virus.
Does Glabal warming have diseases?
No, Global warming is the earth getting hotter, it does not have diseases
If cleaning a swine room can you get infected by cleaning in it?
Yes there could be a chance of getting infected if you are not immunized and have the necessary equipments to protect you.
