Permanent carrier for HBV is -: (A) > 6 months, (B) > 1 month, (C) > 1 year, (D) > 2 year
Answer is A. <p> The persistent carrier state has been defined as the presence of HBsAg for more than 6 months. Reference:Park&;s textbook of preventive and social medicine,K.Park,23rd edition,page no:213. <\p>