HBV and HDV false is -
HBV is a DNA virus& HDV is an RNA virus.HDV&HBV is co-infection HIV causes more serious infection due to superinfection REF:MICROBIOLOGY ANANTHA NARAYANAN NINTH EDITION PAGE.549
Both can infect simultaneously
HDV causes more serious infection d/t superinfection
HDV cannot infect in absence of HBV
DNA viruses
Virology