Hepatitis B minor bi-yang is also contagious, just not as contagious if the viral load is low. Hepatitis B virus can be excreted to the outside of the body through various body fluids, for example, it can be excreted through blood, semen, vaginal secretions, saliva, breast milk, menstruation, tears, urine, sweat and so on. Therefore, hepatitis B virus can be detected in most of the secretions of patients with hepatitis B. If you once come into contact with the secretions of these hepatitis B patients, you may be infected. However, there are three ways of transmission: the first one is commonly transmitted from mother to child, mainly after contact with the mother’s blood during labor and delivery, as well as through close contact after delivery. The second is through blood transfusions and blood products. The third is through sexual contact and broken skin and mucous membranes.