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Rabies postexposure vaccinations consists of a dose of human rabies immune globulin and four doses of rabies vaccine given on the day of the exposure, and then again on days 3, 7, and 14.The vaccine is given in a muscle, usually in the upper arm.his set of vaccinations is highly effective at preventing rabies if given as soon as possible following an exposure. If a person has previously received postexposure vaccinations or received preexposure vaccinations, only two doses of vaccine (on the day of exposure and then 3 days later) are needed.
A vaccination for both hepatitis A and B can be given to those ages 18 and older; however, this vaccination is administered in three doses over six months. A hepatitis A vaccination consists of inactive virus; people 1 year old or older can receive the vaccine. It is highly effective.The first dose protects your body (for the short-term) in an estimated two to four weeks.Once you receive the second dose (about six to 12 months after the first), the vaccine should work for at least 20 years.Studies estimate, however, that the vaccine may last over the course of your lifetime.nce you receive the second dose (about six to 12 months after the first), the vaccine should work for at least 20 years. Studies estimate, however, that the vaccine may last over the course of your lifetime.