<prompt> Variola is a type of which pox virus?ParapoxvirusOrthopoxvirusYatapox virusMolluscipox virus  <response>: ANSWER: B Orthopox virusREF: Jawetz 24th ed chapter 34 table 34-2 POXVIRUSES CAUSING DISEASE IN HUMANSGenusVirusPrimary hostDiseaseOrthopoxvirusVariolaHumansSmallpox now eliminated VacciniaHumansLocalized lesion; used for smallpox vaccination BuffalopoxWater buffaloHuman infections rare; localized lesion MonkeypoxRodents, monkeyHuman infections rare; generalized disease CowpoxCowHuman infections rare; localized ulcerating lesionParapoxvirusOrfSheepHuman infections rare; localized lesionPseudocowpoxCowsBovine papular stomatitisCowsM olluscipoxvirusMolluscumcontagiosumHumansMany benign skin nodulesYatapoxvirusTanapoxMonkeysHuman infections rare; localized lesion YabapoxMonkeysHuman infections very rare and accidental; localized skin tumors 