How does one get AIDS?

Feb 13, 2025 Source: Cainiu Health
Dr. Liu Feng
Introduction
Under normal circumstances, AIDS can possibly be transmitted through sexual contact, mother-to-child transmission, blood transmission, and other similar routes. The human immunodeficiency virus (HIV) is highly concentrated in bodily fluids related to the reproductive system of infected individuals, such as semen and vaginal secretions. During unprotected sexual activity, close contact and friction between genital organs can cause minor mucosal damage, which then becomes an entry point for the virus.

Generally, AIDS can be transmitted through sexual contact, mother-to-child transmission, and blood transmission. The specific analysis is as follows:

1. Sexual Transmission

HIV is highly concentrated in bodily fluids of the reproductive system of infected individuals, such as semen and vaginal secretions. During unprotected sexual activity, close contact and friction between genital organs may cause minor mucosal damage, which provides an entry point for the virus. The virus can then directly enter the bloodstream through these openings, leading to infection.

2. Mother-to-Child Transmission

Mother-to-child transmission is a route of HIV transmission, primarily occurring during pregnancy, childbirth, or breastfeeding by HIV-infected women. The virus can be transmitted from an infected mother to her fetus or newborn through the placenta, birth canal, or postnatal breastfeeding, resulting in HIV infection in the newborn at or shortly after birth.

5. Blood Transmission

The blood of individuals infected with HIV contains large amounts of the virus. Transmission can occur through blood transfusions, using contaminated syringes, needles, surgical instruments, or sharing contaminated injection equipment, allowing the virus to enter a healthy person's body. Therefore, avoiding the use of medical instruments that have not been strictly sterilized and not participating in illegal blood donation or transfusion activities can prevent HIV transmission through blood.

In daily life, avoid sharing personal items such as toothbrushes, razors, and syringes with others to reduce the risk of infection.

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