Hepatitis B triple Yang is contagious, catering and a high standard of hygiene, dining staff belong to the high-risk group of viral infection. So infectious disease personnel shall not engage in food service.

Hepatitis B triple positive refers to the hepatitis B two-to-half labs, hepatitis B surface antigen positive, hepatitis B e antigen positive, hepatitis B core antibody positive, while the other two are negative, known as triple positive.