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Ag is the antigen and Ab is the antibody.
First it is important to know the difference between and antibody (Ab) and an antigen (Ag):
Now the difference in this example:
Presence of either HBsAb and/or HBsAg mean different things:
There is also another test for HBV that tests for the presence of the Hepatitis B e-antigen (HBeAg). This antigen is only present during an active HBV infection. It can be used to determine how contagious someone is and to determine the effectiveness of treatment.
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You have to be 100% sure of the quality of your product to give a money-back guarantee. This describes us perfectly. Make sure that this guarantee is totally transparent.Read more
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