bunyavirus vs animal virus

bunyavirus and animal virus both are nouns.

Word	Noun	Adjective	Verb	Adverb
bunyavirus	Yes	No	No	No
animal virus	Yes	No	No	No

As nouns, animal virus is a hypernym of bunyavirus; that is, animal virus is a word with a broader meaning than bunyavirus:

bunyavirus: an animal virus belonging to the family Bunyaviridae; can be used as a bioweapon
animal virus: an animal pathogen that is a virus

bunyavirus (noun)	animal virus (noun)
an animal virus belonging to the family Bunyaviridae; can be used as a bioweapon	an animal pathogen that is a virus