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3. What are the characteristics of the HBV virus?

This virus can be seen under the electron microscope. You know if somebody has active hepatitis B and when you look in their blood under an electron microscope, you can actually see the viral particles because by the time the protein gets wrapped around the DNA essential part of it, you get to something that’s actually visible under an electron microscope. Because each virus has its own special structure that allows it to get into cells and attracts itself to the liver cells.