There are three ways of transmission of AIDS diagnosis, the core of which is sexual transmission and blood transmission, and general contact will not spread AIDS. Therefore, although the appearance of HIV-infected people is the same as that of normal people, their blood, semen, vaginal secretions, skin and mucous membrane damage or inflammatory ulcer exudate all contain a large number of HIV, which is highly contagious; Milk also contains viruses, which are contagious. There are viruses in saliva, tears, sweat and urine, but there are few viruses. Patients who are not seriously ill should not be discriminated against in life. For example, shaking hands at dinner will not infect AIDS. JD.COM has Ivy, Mano has care.