This vaccine causes the body to produce protective levels of
hepatitis B antibodies which will protect against infection from hepatitis B virus. This vaccine is recommended for persons of all ages, especially those at an increased risk of getting the infection.
Those at an increased risk include health care personnel; laboratory workers handling blood and patient specimens; police, fire and emergency medical personnel who render
first aid treatment; hemophiliacs; household and intimate contacts of persons with persistent hepatitis B infections; persons with multiple sex partners; homosexuals; prostitutes; IV drug abusers; persons traveling to high risk areas.
Taken from www.medicinenet.com