HIV is a highly dangerous infectious disease caused by infection with the AIDS virus (HIV), a virus that attacks the body’s immune system. It targets CD4 T-lymphocytes, the most important cells in the immune system, and destroys them in large numbers, causing the body to lose its immune function. The incubation period of HIV in human body is 8-9 years on average, and before suffering from AIDS, one can live and work for many years without any symptoms.
Sexual contact includes homosexual, heterosexual and bisexual. Sexual contact with friction caused by bacterial breakage can invade the body to cause disease.
2, blood contact transmission: sharing needles intravenous drug use, the input of HIV-contaminated blood or blood products and interventional medical operations can be infected.
3, mother-to-child transmission: HIV-infected pregnant women can transmit the virus to the fetus through the placenta, or to the baby through the birth canal and postpartum bloody secretions, breastfeeding, etc. At present, about 60% of HIV-positive pregnant women will have mother-to-child transmission.
4.Other: HIV-infected patients who receive organ transplants, artificial insemination, contaminated equipment, medical personnel can also be infected by HIV-contaminated needles or contaminated skin.