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Can a virus be useful

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Anonymous

14y ago
Updated: 8/19/2019

Mass infection of viruses are not useful since it attacks the immune system. But until late studies, scientist invented vaccines which required dead or weakend virues to produce mass of B cells for the body to fight against antigens. In such ways, viruses was useful in order to invent vaccines but at the same time, it can become deadly.

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Wiki User

14y ago

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