infect |
virophage |
As a verb infect
is to bring into contact with a substance that causes illness (a pathogen).
As an adjective infect
is infected.
As a noun virophage is
any virus that infects other viruses.
virus |
virophage |
As nouns the difference between virus and virophage
is that
virus is virus while
virophage is (virology) any virus that infects other viruses.