A newly developed preparation that is used to prevent virus B hepatitis (formerly called serum hepatitis) by stimulating the body to develop antibodies against the virus. The vaccine requires three injections to be effective.
The vaccine against hepatitis B, a virus that affects primarily the liver. This series of three shots, given between birth and 2 weeks and at 2 and 6 months, may cause fussiness, low-grade fever,headache, and soreness at the injection site.