hepatitis b vaccination

one of the most serious kinds of hepatitis is hepatitis b. this condition is more common than aids, and is 100 time more contagious. in iran the most common cause of acute and chronic hepatitis, liver cirrhosis, and also hepatocellar carcinoma in adults, is hepatitis b. more than two billion people are infected and more than 350 million of individuals are carriers of this virus in the entire world. the carriers are main source for distributing virus in communities and annually at least, one million people in the entire world die because of this virus and its complications. according to studies in tehran, 3.6 percent of men, and 1.6 percent of women, are carriers of ag hbs, and also 37 percent of volunteers for blood donors have antibody of hbs ab in their blood. this situation shows that almost 40 percent of iranians have been contacted to this virus, but of them, 3 percent remained the carriers of antigen.