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Use the tweezers to pull out a segment of DNA from the hepatitis B virus. A subunit vaccine makes use of just a small portion of a pathogen. For a virus, the vaccine can contain just a piece of ...
Chronic hepatitis B (CHB) is a long-term infection of the liver caused by the hepatitis B virus (HBV). While acute hepatitis B infection is often resolved by the immune system, CHB occurs when the ...
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