HBV infection can cause sufferers to 60%-80% being the primary liver cancer. Almost 90% of infants are infected due to vertical transmission can develop into chronic liver disease can even be hepatoseluler carcinoma. In infants infected at birth, will be 80-90% are at risk of becoming a chronic HBV infection. At the time of age 1-4 years the possibility of becoming a chronic 30-60% and those adults found 10% will develop chronic. Administering vaccinations will bring up the onset of immunity against viral infections hepatitis B16. Ways to inhibit and reduce the risk of horizontal transmission is by giving doses of HBV vaccine booster. But there is no consensus about the need for booster doses after immunization
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