What are the body fluid transmissions of AIDS?

Written by Xiong Hong Hai
Infectious Disease
Updated on November 24, 2024
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Actually, it is quite difficult for the HIV virus to be transmitted through bodily fluids because the HIV virus mainly exists in the blood, semen, vaginal secretions, cervical mucus, breast milk, as well as amniotic fluid, ascites, and pleural effusion of those infected with HIV.

Other body fluids, such as sweat, urine, tears, and feces, generally do not contain the virus or contain it in extremely minute amounts, and are unlikely to facilitate transmission. AIDS is primarily transmitted through sexual contact, blood transmission, and from mother to child, and is not transmitted through ordinary contact.

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Written by Xiong Hong Hai
Infectious Disease
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AIDS blood transmission conditions

Actually, the transmission of AIDS requires two conditions to be met simultaneously: first, a sufficient number of active HIV viruses are needed. Second, these sufficient and active HIV viruses must enter fresh blood or a fresh wound. Only when both of these conditions are met, is there a possibility of infection, but it is not a 100% certainty. For example, in the case of needle stick injuries involving needles contaminated with HIV-positive blood, the risk of infecting healthcare workers is about 0.3%.

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Written by Xie Ming Feng
Dermatology
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Can AIDS be ruled out after six weeks?

Going to the hospital for HIV screening after six weeks is entirely feasible, as it typically surpasses the window period. However, if you have engaged in high-risk behaviors, we recommend that you get tested again after three months. If there are frequent high-risk behaviors, we advise you to undergo another test at six months to thoroughly rule out HIV.

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Written by Xie Ming Feng
Dermatology
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Will donating blood result in contracting AIDS?

Donating blood in Chinese hospitals and official blood donation centers does not result in HIV infection because there is HIV screening before donating. During blood donation, the syringes used are disposable. However, if blood is donated at unauthorized or illegal centers, the transmission of HIV cannot be guaranteed.

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Written by Xie Ming Feng
Dermatology
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How to test for AIDS?

If you suspect you might have HIV for various reasons, or if you have had high-risk sexual behaviors, we generally recommend that patients go to a formal hospital and have a blood test for HIV screening. It's usually best to get tested between 1 and 2 months after potential exposure. If the test is negative, HIV can generally be ruled out. If the sexual behavior was high-risk, then another test can be conducted at the end of the third month. If there is frequent high-risk sexual activity, then another follow-up test can be done at six months. If all tests are negative, HIV can be ruled out. If a test is positive, further confirmatory tests should be done at a disease control center.

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Written by Xiong Hong Hai
Infectious Disease
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What are the symptoms of AIDS?

The primary symptoms of AIDS are mainly due to immunodeficiency and opportunistic infections caused by a weakened immune system. During the acute phase of AIDS, the virus replicates in large numbers, leading to immune damage and disorder. In the acute phase, symptoms such as rashes, fever, sore throat, weight loss, and diarrhea are common. During the symptomatic phase, symptoms like unexplained fever, diarrhea, chest tightness, coughing, phlegm, and numerous white secretions on the oral tongue are commonly observed.