Jun 22, 2019 · Havrix vaccine is used to help prevent this disease in adults. Havrix works by exposing you to a small amount of the virus, which causes the body to develop immunity to the disease. This vaccine will not treat an active infection that has already developed in the body. Like any vaccine, Havrix may not provide protection from disease in every Drug class: viral vaccines.
HAVRIX is a vaccine indicated for active immunization against disease caused by hepatitis A virus (HAV). HAVRIX is approved for use in persons 12 months of age and older. Primary immunization should be administered at least 2 weeks prior to expected exposure to HAV. (1) -----DOSAGE AND ADMINISTRATION -----.
1 mL/dose IM followed by a 1 mL booster dose at least 6 months after the first dose. After the first dose, the ACIP recommends series completion within 18 months; the manufacturer of Havrix recommends series completion within 1 year. 0.5 mL/dose IM ideally given at 12 to 23 months of age, followed.