my brother has been diagnose as HBsAg reactive.. but he doesnt feel any symptoms of having it..does that mean that he had been in contact with a person who had a hepatitis but now he is cured? or there is a possibility that he is sick? can u identify by this result what stage of hepatitis he has? if he is cured, can he have the HBsAg reactive in his blood all his life??? please help... can please give me some more information about this sickness? thank you??