pes·ti·vi·rus | \ ˈpes-tə-ˌvī-rəs \
Medical Definition of pestivirus
1 capitalized : a genus of single-stranded RNA viruses of the family Flaviviridae that includes the causative agents of bovine viral diarrhea and hog cholera and are transmitted by direct or indirect contact especially with bodily secretions
2 : any virus of the genus Pestivirus
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