What does a virus actually do ?

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Many viruses or bacterial infections mostly have symptoms that are actually defense mechanisms of our own body, like fever, coughing, sneezing and a running nose.

What does the virus itself do ? what symptoms would it cause if the body didnt fight it?

and if all of these mechanisms are meant to fight the virus, why is it safe/recommended to use drugs that fight your these defense mechanisms, like drugs to lower your fever, alleviate your cough/runny nose etc ?

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2 Answers

Anonymous 0 Comments

Viruses simply have one goal in ‘life’ – spread and make more. It’s the same as any other living being. However, viruses technically are not alive, and are just a shell with RNA. RNA is DNA, but with slight changes, mainly making it a virus, not a single celled being. The virus takes control of cells and rewrites the cells instructions to, rather than remake the cell, to remake the virus. An example is you get a scratch, and the object you got scratched on has a virus on it. The skin cells now infected with the virus is ‘reprogrammed’ and they create more viruses. When these cells fill up with viruses, they explode, infecting many more cells. Millions of cells can quite quickly get infected, and the only way your body can stop this, is kill the infected cells. Now we can get to answering your question. If your body did not have an immune response, you would lose cells until there are no cells left or all that are left cannot replicate.

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