Classical swine fever virus (CSFV), Bovine viral diarrhea virus (BVDV), and Border disease virus (BDV) are members of the pestivirus genus within the family of Flaviviridae. The viruses are structurally, antigenically, and genetically closely related.

• 猪瘟病毒(CSFV)、牛病毒性腹泻病毒(BVDV)和边界病病毒(BDV)为黄病毒科瘟病毒属成员，其病毒结构、抗原性和遗传特性密切相关。