Textbooks teach that viruses, being the relatively simple entities that they are, have limited resources to devote to their one goal: survival. A virus can’t even reproduce on its own, and needs to borrow the reproductive machinery of cells from those that it infects. So, when a genetic mutation makes a virus more adept at spreading from one host to another, with each new host a brand new virus-making factory, it’s a huge advantage. It also suggests that the virus is opting for transmissibility over virulence; it’s in its best interest to spread more quickly and replicate than in causing its host to die.
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https://intuitivefred888.blogspot.com/2022/02/time-omicron-could-be-beginning-of-end.html
This is why it's logical for Omicron to be where this virus wants to go. Because if it kills everyone it cannot reproduce through the people's cells that it infects. People (or mammals) are the only way that the virus can reproduce beyond one host. So, will we have many omicron Variants that infect everyone but don't kill as many people as before? We don't know the answer yet to this question.
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