Flaviviridae

noun plural

Fla·​vi·​vi·​ri·​dae ˌflā-vi-ˈvir-ə-ˌdē 

: a family of single-stranded RNA viruses that have a spherical virion with a capsid composed of a single protein and a lipid envelope containing two or three proteins and that include the causative agents of hepatitis C, dengue, Japanese B encephalitis, Saint Louis encephalitis, West Nile fever, yellow fever, bovine viral diarrhea, and hog cholera see flavivirus, pestivirus