If it is positive, then you may have a hepatitis B infection. This test may have to be repeated to confirm whether you have a chronic infection. 2. Hepatitis B surface Antibody (HBsAb or anti-HBs) - this tests for the surface antibody that your immune system makes to fight off the virus.
Rottenstone definition, a friable stone resulting from the decomposition of a siliceous limestone, used as a powder for polishing metals. See more. Dictionary.com
rotten borough. (before the Reform Bill of 1832) any English borough that had very few voters yet was represented in Parliament. an election district that has more representatives in a legislative body than the number of its constituents would normally call for.