Social & Preventive Medicine Communicable diseases 7d0d3ebe Most common cause of epidemic of infective hepatitis is - A HAV B HBV C HCV D HEV High-Yield Explanation <p> HEV causes large epidemics in Asia and Noh America. Park&;s textbook of preventive and social medicine,K.Park,23rd edition,page no:220. <\p>