Postpone vaccination in patients suffering from acute severe febrile illness. Not to be administered intravascularly, SC/intradermally, or in gluteal region. Not indicated to prevent hepatitis infection caused by other agents eg, HBV, HCV, hepatitis E virus or other liver-infecting pathogens. Patients w/ thrombocytopenia or bleeding disorder. May require additional doses in patients on haemodialysis or w/ impaired immune system. Syncope. Pregnancy & lactation.