<prompt> Which among the following is not an RNA virus?Hepatits AHepatitis BHepatitis CHepatitis D  <response>: Ans: b hepatitis B Ref:Ananthanarayan, 7 p. 547Among the hepatitis virus only DNA virus is hepatitis B virus Hepadna virus. Just go through theFeatureHAVHBVHCVHDVHEVAgentSSRNA icosahedral,capsid unenvelopedDSRNAComplex structure envelopedSSRNA envelopedSS defective virus envelopedSSRNA unenvelopedClassificationPicoma virusenterovirus typelllHepadna virusFlaviUnknowncalcivirusTransmissionfaecooralparentralparentralparentralfaecooralIP15-45 days2-6 weeks30-180 days2-6 mon30-90 days 1-3 mon30-50 days 1-2 mon50-60 days 12 - 2 monthOnsetacuteinsiduousinsiduousinsiduousacuteIllnessmildOcc. severemoderateOcc. severeMild except in pregnancy fulminant in 40 Carrier statenilcommonpresentNilonly with HBVniloncogenicityNilyesyesnilNilSpecific Rx.Ig vaccineIg vaccinenilHBV vaccineNil 