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Wiktionary
nairovirus

n. Any of the genus (taxlink Nairovirus genus noshow=1) of tick-borne bunyaviruses with circular, negative-sense single-stranded RNA.

Wikipedia
Nairovirus

Nairovirus is a genus in the family Bunyaviridae that include viruses with circular, negative-sense single stranded RNA. It got its name from the Nairobi sheep disease that affects the gastrointestinal tracts of sheep and goats. Viruses in this genus are tick-borne viruses that can have human or animal hosts.