This review provides a summary of the recently ratified changes to genus and species nomenclature within the virus family Flaviviridae along with reasons for these changes. First, it was considered that the vernacular terms βflaviviralβ, βflavivirusβ, and βflavivirusesβ could under certain circumstances be ambiguous due to the same word stem βflaviβ in the taxon names Flaviviridae and Flavivirus; these terms could either have referred to all viruses classified in the family Flaviviridae or β¦