Question 32 (Covid) At a fundamental (basic) level, why is it that novel viruses keep infecting humans throughout history? Compared to other animals, humans have relatively weak immune systems. Humans often fail to utilize the best hygeine practices. Errors are made in the copying of genetic material. We make the ideal host species for rapidly spreading viruses. 2 pts
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The major reason many human diseases thought to have been eradicated are reappearing is humans are less active and less fit than in the past some people have avoided vaccinating their children due to fears of bad side effects diseases were frozen during the Cold War and are now being eased by bioterrorists because diseases have evolved to be more virulent over the last few decades most of those recovered from or vaccinated against the diseases have died of old age
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