flaviviridae
noun plural(Fla-vi-vi-ri-dae)
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