How are hepatitis A vaccines made?
There is no live virus in hepatitis A vaccines. The virus is inactivated during production of the vaccines, similar to Salk-type inactivated polio vaccine. – Is hepatitis A vaccine safe? Yes, hepatitis A vaccine has an excellent safety profile. No serious adverse events have been attributed definitively to hepatitis A vaccine. Soreness at the injection site is the most frequently reported side effect. – Can other vaccines be given at the same time that hepatitis A vaccine is given? Yes. Hepatitis B, diphtheria, poliovirus (oral and inactivated), tetanus, oral typhoid, cholera, Japanese encephalitis, rabies, yellow fever vaccine or immune globulin can be given at the same time that hepatitis A vaccine is given, but at a different injection site. – How long does immunity last after hepatitis A vaccination? Although data on long-term protection are limited, estimates based on modeling techniques suggest that protection will last for at least 20 years. – When are persons protected after re
