ok, blood work done for blood center sent letter, hepatitis B core antibody= reactive.. had blood work done at work since I had 2 of the 3 shots to prevent hep but missed the 3nd, so they sent me for blood work took ONE week, came back as active.. what does this mean and how will it affect my job,in health care?do I need to be worried????watch my back at work?please help me understand what's going on.