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 -

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.

meiosis is the first to occur after the nuclei of opposite of opposite mating types fuse