How long can hepatitis B infection last?

After hepatitis B virus invades the human body, it will not immediately produce discomfort reaction, it will first enter the incubation period of about three weeks to three months, during which time the patient has no symptoms, and the corresponding antibody is not produced in the body, so it cannot be detected when examined, and three months later, most patients will find out the antibody and antigen in the body when examined again.