Blood transmission means that infection with a certain disease is transmitted through the blood route, such as AIDS, syphilis, hepatitis B, hepatitis C, etc., can be transmitted to others through blood with the virus. If blood with viral AIDS or syphilis, hepatitis B, hepatitis C virus is imported, you can be at risk of transmitting these diseases, or with patients with AIDS, hepatitis B, hepatitis C, syphilis, sharing syringes or sharing personal items such as toothbrushes, shavers, razors, nail clippers, etc., which can be transmitted through broken skin. You are also at risk of being infected when you share medical equipment that has not been strictly sterilized and perform invasive tests and treatments with patients with hepatitis B, hepatitis C, syphilis, or AIDS in the hospital.