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They're everywhere. And there are a lot of them. And yes, they can be dangerous. Viruses are ingenious survivors, as old as life itself. They have played a key role in evolution - including the evolution of human beings.
They're everywhere. And there are a lot of them. And yes, they can be dangerous. Viruses are ingenious survivors, as old as life itself. They have played a key role in evolution - including the evolution of human beings.
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