<prompt> HBV all true, except:It is a DNA virusSpreads by blood transfusionsHBsAg marker of infectionLeast chance of chronicity  <response>: Ans. is d i.e., Least chance of chronicity Ref: Harrison, 18the, p. 2546; 17the, p. 1939 Least chances of chronicity are with HAV and HEV. Maximum chance of chronicity is with HCV. 90 of infants infected with HBV , become chronically infected.Remember: By definition,HBV chronic carriers are those in whom HBsAg persists for more than 6 months. 