HBV all true, except -
HBV transmission by parenteral sexual and perinatal modes.HBsAg is the 1st marker to appear in blood after infection. HBV consist of two linear strands of DNA. REF:ANANTHANARAYAN AND PANIKER'S TEXTBOOK OF MICROBIOLOGY 9TH EDITION PAGE NO:544-546
It is a DNA virus
Spreads by blood transfusions
HBs Ag marker on infection
Least chance of chronicity
Virology