Flaviviridae

noun plural

Fla·​vi·​vi·​ri·​dae ˌflā-vi-ˈvir-ə-ˌdē How to pronounce Flaviviridae (audio)
: 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 encephalitis, Saint Louis encephalitis, West Nile fever, yellow fever, bovine viral diarrhea, and hog cholera see orthoflavivirus, pestivirus

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“Flaviviridae.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/Flaviviridae. Accessed 12 Nov. 2025.

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