Not to be inj SC, intravascularly, intradermally or in the gluteal region. Not for prevention against infection caused by other agents eg, HBV, HCV, hepatitis E virus or other pathogens infecting the liver. Postpone vaccination in patients w/ acute severe febrile illness. Thrombocytopenia or bleeding disorder; syncope. Patients w/ impaired immune system. Patients undergoing haemodialysis. Pregnancy & lactation.