Hepatitis B Surface Antigen Weakly Positive is the meaning of Hepatitis B Virus Surface Antigen Weakly Positive, which suggests the possibility of being infected with the Hepatitis B Virus. Hepatitis B virus surface antigen is the small spherical particles and tubular particles contained in the outer shell portion of the hepatitis B virus, and is mainly used to determine whether or not one is infected with the hepatitis B virus. Weakly positive Hepatitis B Surface Antigen may first of all mean that there is an error in the test and the test needs to be repeated to confirm; secondly, it may mean that you have been infected with the Hepatitis B virus but are slowly clearing it; or you may be infected with the Hepatitis B virus and may gradually develop Hepatitis B if not treated. Hepatitis B surface antigen weakly positive test results alone can not accurately determine the cause, but also need to be combined with the characteristics of the medical history, other test results in order to make accurate judgments, it is recommended to clarify the cause of the disease under the guidance of a doctor.