Hello! I'm going to go to Thailand on Jan. 1, 2007. And only recently learned that it is necessary to vaccinate against hepatitis A. If I make a shot on Dec. 21 whether it will work? For some time prior to travel should be vaccinated?

Respond Stanislav Y. Karpov, hepatology, gastroenterology, hepatology and gastroenterology clinic Medal Immunity formed after approximately 15 days after inoculation. After 12 months, to make a second vaccination, since the first provides protection only for 1 year. Repeated inoculation generates long-lasting immunity. Similar question: ... la vaccinated against hepatitis B. How do I know whether to ... that it operates no more ...