Hepatitis B Surface Antigen, Hepatitis B e Antibody and Hepatitis B Core Antibody (i.e., 1, 4, 5) are all positive in the Hepatitis B P5 Index, which means that the infection is contagious. Positive hepatitis B surface antigen and hepatitis B core antibody suggest the presence of current infection, while positive hepatitis B e antibody indicates a long period of infection, weakened viral replication and low infectivity. Hepatitis B virus is mainly transmitted from mother to child, blood and sex. Hepatitis B virus infectiousness mainly depends on the expression of hepatitis B DNA, that is, the body of the hepatitis B virus replication, the higher the hepatitis B DNA indicates that the hepatitis B replication is active and infectious. Warm reminder: If the hepatitis B five indicators are abnormal, you need to consult a regular hospital for guidance and treatment, your family members and sexual partners need to actively improve the hepatitis B five indicators, such as hepatitis B surface antibody negative you need to be vaccinated as soon as possible with the hepatitis B vaccine.