Modhusudon Shaha

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Hepatitis B infection is still a major global health problem even though safe and effective vaccines have been available for more than 30 years. Although development of protective antibody to hepatitis B surface antigen (anti-HBs) is a common phenomenon after vaccination as well as natural infection, sometimes it does not appear even after complete(More)
BACKGROUND Hepatitis B virus (HBV) is highly contagious and causes liver diseases. Globally more than 350 million people are chronically infected and among them above 80 % are from developing countries like Bangladesh. Resistance to existing drugs and vaccines are common phenomenon due to mutations in HBsAg 'a' determinant. Due to lack of data about(More)
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