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Viruses can be transmitted through air, water food, insect bites, and direct skin contact. Once a virus gains entry to the body, it invades a host cell in order to -

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Step-by-step explanation:

When it comes into contact with a host cell, a virus can insert its genetic material into its host, literally taking over the host's functions. An infected cell produces more viral protein and genetic material instead of its usual products.

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