When you get a cold or the flu your body kills all of the virus, but when you get herpes it stays in you for the rest of your life. Why does your body completely kill some viruses but not others?
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It has more to do with the viruses themselves than your immune system. There are two main types of viruses. RNA viruses and DNA viruses. RNA viruses replicate quick and It’s fairly easy for your immune system to find these viruses or the cells that they’re replicating in and destroy them. DNA viruses on the other hand write themselves into the DNA of your cells and hide from your immune system. HIV and Herpes are both examples of permanent diseases you get from viruses hiding inside your genetic code
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