Saturday, April 1, 2023

Can Hiv Be Transferred Thru Saliva

How Do You Get Hiv From Semen Or Vaginal Fluid

Is it possible to transmit HIV through saliva?

Body fluids including semen and vaginal secretions can contain HIV. If a person has HIV and a detectable viral load, HIV can passed on to someone if their semen or vaginal secretions get into the body of a sexual partner during vaginal or anal sex.

If a man has HIV and a detectable viral load, one of his body fluids where the virus is found is his semen.

If he has a detectable viral load and his semen gets into the body of his sexual partner during sex, then HIV can get into the other persons bloodstream.

Pre-cum also contains HIV this is why there is a risk of infection even if a man pulls out of his partner before he ejaculates.

If a woman has HIV and she has a detectable viral load, one of her body fluids where the virus is found is in her vaginal secretions.

If these come into contact with a penis during sex, then HIV could be transmitted. The virus in her secretions can enter through the delicate skin of the penis or foreskin.

How Is Hiv Spread

First, lets cover how HIV is actually spread.

Most often, HIV is contracted by having unprotected sex with a person who is HIV positive Many people also contract HIV because theyve shared needles with a positive person.

You may also contract HIV from coming into contact with the blood of an infected person though this is much rarer. You need to have an open cut/sore on your body, or the blood needs to get into your mouth, anus, vagina, or penis.

The people who have the highest risk of contracting HIV through blood are those who work in the medical profession.

Exposure Of Humanized Blt Mice To Cell

Stocks of HIV-1JR-CSF, HIV-1RHPA, HIV-1CH040, and HIV-1CH077, were prepared and titrated as previously described . Oral inoculations of mice were performed by placing anesthetized BLT mice on their backs and instilling virus directly into their mouth. To ensure that all surfaces of the oral cavity were exposed to virus, initial oral exposure experiments were performed with 2.82×106 TCIU of HIV-1JR-CSF diluted in RPMI medium or normal human breast milk to a final volume of 50 µl. Once all surfaces of the oral cavity were exposed to virus, the excess virus was pipetted out of the oral cavity and the volume measured to determine the actual inoculum . Mice were held in place for 5 minutes to ensure retention of the virus. Once mice recovered from anesthesia, they were permitted immediate access to food and water. Subsequent oral exposures to HIV-1JR-CSF were performed using a total volume of 20 µl and 1.4×106 TCIU of virus. BLT mice exposed orally to HIV-1 T/F viruses were administered 6×105 TCIU of HIV-1RHPA, HIV-1CH040, HIV-1CH077 or HIV-1JR-CSF in 20 µl RPMI medium. To assess the efficacy of systemic FTC/TDF PrEP on oral transmission of cell free HIV in BLT mice, mice were administered FTC/TDF intraperitonealy once daily for seven consecutive days. Three hours after the third administration of FTC/TDF, BLT mice were exposed orally to 1.4×106 TCIU cell-free HIV-1JR-CSF.

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How Is Hiv Spread From Person To Person

HIV can only be spread through specific activities. In the United States, the most common ways are:

  • Having vaginal or anal sex with someone who has HIV without using a condom or taking medicines to prevent or treat HIV. Anal sex is riskier than vaginal sex.
  • Sharing injection drug equipment , such as needles, with someone who has HIV.

Less common ways are:

  • From mother to child during pregnancy, birth, or breastfeeding. However, the use of HIV medicines and other strategies have helped lower the risk of mother-to-child transmission of HIV to 1% or less in the United States.
  • Getting stuck with an HIV-contaminated needle or other sharp object. This is a risk mainly for health care workers. The risk is very low.

HIV is spread only in extremely rare cases by:

  • Having oral sex. But in general, the chance that an HIV-negative person will get HIV from oral sex with an HIV-positive partner is extremely low.

To What Degree Are Latex Condoms Successful In Preventing Hiv Transmission

Can the HIV virus be transmitted via spit or tears? If so ...

Research suggests that the regular and accurate use of latex condoms is very successful in preventing the transmission of HIV through sexual behaviors. Polyurethane condoms are a good alternative for those with a latex allergy, but natural or lamb skin condoms do not offer the same protection. However, it is important to mention that condoms do not offer total protection from the transmission of HIV.

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How Long Can Hiv Survive Outside The Body

Once outside the body, HIV usually cant survive for very long. Coming into contact with blood or semen that has been outside the body doesnt generally pose a risk for HIV transmission.

Similarly, the risk of passing on HIV to someone else if you have a detectable viral load and cut yourself is also very low. Wash away any blood with soap and hot water and cover the wound with a sticking plaster or dressing.

How Do You Get Aids

You need to have been infected with HIV before you can have AIDS. AIDS is a condition, as its name implies, which develops when the immune system is severely damaged by HIV. HIV is commonly transmitted by sexual behaviors with an infected partner, the sharing of needles with a person with HIV or through mother to child transmission. HIV can be spread by sexual activities that include vaginal sex, anal sex, and oral sex. HIV is spread by bodily fluids which include semen, preseminal fluid, vaginal fluid, blood and breast milk. The virus that causes AIDS is spread by breast milk during nursing or can be passed from mother to baby through birthing.

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How Is Hiv Not Transmitted

HIV is not transmitted by saliva, tears, sweat, urine or feces. HIV does not survive well outside the human body. It cannot be transmitted through casual contact with a person who has HIV, or through objects such as toilet seats, doorknobs or dishes used by a person who has HIV.

In the past, some people got HIV after receiving a blood transfusion or organ or tissue transplant. However, Canada implemented HIV screening for all blood and tissue donations in 1985.


  • Wilton J. From exposure to infection. The biology of HIV infection. Prevention in Focus. Fall 2011. Available from: .
  • Arkell C. HIV and the female genital tract what does it mean for HIV prevention? Prevention in Focus. Fall 2016. .
  • Centers for Disease Control and Transmission. HIV Transmission. Available from: .
  • Khan Academy. Transmission of HIV. Available from: .
  • Patel R, Borkowf CB, Brooks JT et al. Estimating per-act HIV transmission risk: a systematic review. AIDS. 2014 28:150919.
  • Ball LJ, Puka K, Speechley M et al. Sharing of injection drug preparation equipment is associated with HIV infection: A cross-sectional study. Journal of Acquired Immune Deficiency Syndromes. 2019 81:99103.
  • Arkell C.

    How Do I Protect Myself From Hiv

    HTP on HIV | Is HIV transmitted by saliva or sweat?

    There are a number of ways you can protect yourself from HIV, including:

    • using a condom every time you have vaginal, anal or oral sex
    • in some countries PrEP is available. This is a course of HIV drugs which if taken consistently as advised by your healthcare professional prevents HIV infection through sex
    • avoiding sharing needles, syringes and other injecting equipment
    • taking HIV treatment if you are a new or expectant mother living with HIV, as this will dramatically reduce the risk of passing HIV to your baby during pregnancy, childbirth and breastfeeding
    • asking your healthcare professional if the blood product you are receiving has been tested for HIV
    • taking precautions if you are a healthcare worker, such as wearing protection , washing hands after contact with blood and other bodily fluids, and safely disposing of sharp equipment
    • if you think you have been exposed to HIV you may be able to access PEP, a 4-week course of ARV drugs taken after possible HIV exposure to prevent HIV infection. You must start PEP within 72 hours of possible exposure to be effective.

    For more detailed information on how to prevent HIV infection visit the relevant page from the listed below:

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    Hiv In Breastmilk Killed By Flash

    A simple method of flash-heating breast milk infected with HIV successfully inactivated the free-floating virus, according to a new study led by researchers at the Berkeley and Davis campuses of the University of California.

    Notably, the technique heating a glass jar of expressed breast milk in a pan of water over a flame or single burner can be easily applied in the homes of mothers in resource-poor communities.

    The findings, to appear in the July 1 print issue of the Journal of the Acquired Immune Deficiency Syndromes, but now available online, provide hope that mothers with HIV in developing nations will soon be able to more safely feed their babies.

    We conducted this research to help HIV-positive mothers and their infants who do not have safe alternatives to breastfeeding, said Kiersten Israel-Ballard, a doctoral candidate at UC Berkeleys School of Public Health and lead author of the study. HIV can be transmitted to the baby via breastfeeding. But for infants in developing countries where infant mortality is already so high from diarrhea and other illnesses, they cant afford to lose the antibodies, other anti-infective agents and the optimal nutrition found in breast milk. This study shows that an easy-to-implement heating method can kill the HIV in breast milk.

    Research began from a question

    World Health Organization guidelines

    Need for clinical trials

    Contaminated Blood Transfusions And Organ/tissue Transplants

    If adequate safety practices are not in place, healthcare workers can also be at risk of HIV from cuts made by a needle or sharp object with infected blood on it. However, the risk of occupational exposure, is very low in most countries.

    If you think you have been exposed to HIV, the only way to find out if you have HIV is to have an HIV test.

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    Viral Load & Medications

    If someone has HIV, this does not mean that they are restricted to celibacy. Many people with HIV still continue to have safe, enjoyable sex lives without spreading the virus. Always using a condom or barrier method is an important first step to prevent the sharing of HIV containing fluids.

    Antiretroviral therapy : Another way to help decrease the risk of spreading HIV is to lower a personâs viral loadâthe amount of HIV in a personâs blood. Viral loads can be lowered using medications called antiretroviral therapy . These medications can lower the HIV viral load so much that HIV may not even be detectable on a blood testâthis is called an undetectable viral load . When a person’s viral load in undetectable, they have effectively no risk of transmitting the HIV virus to a non-infected partner . Taking these medication will help keep a person with HIV healthy while also helping prevent the spread of HIV to another person. This is not a cure, however. If medication is taken incorrectly or stopped, HIV viral loads will increase again and transmission can occur. Condoms and other barrier methods should still always be used during sex .

    Are You Concerned You May Have Contracted Hiv

    Top 10 Myths About HIV And The Reality

    We hope that by answering common questions like, Can HIV be transmitted through saliva? you now feel a lot more secure about how you can and cannot get it.

    Sometimes though, you just want to be tested to know for sure.

    We understand that the thought of getting an HIV test can be intimidating and frightening.

    However, there are trained counselors on staff at these testing centers to help you no matter what the test results are.

    to learn where to find testing centers in your area, and keep checking in with our blog for more tips on how to live a healthy and safe life.

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    Can You Get Hiv From Saliva

    After several years of conducting various studies in universities and scientific centers around the world, it has not been proven that there is contagion through saliva, but rather it has been seen that the viral load, that is, the concentrated amount of virus in this fluid, it is too small to transmit HIV simply by contact with saliva. Therefore, the scientists and doctors responsible for these studies have long said that saliva does NOT infect HIV , since the presence of this is not enough in this fluid.

    It has also been revealed that there are factors in the oral cavity that prevent this virus from remaining in this part of the body and that, therefore, make it impossible for it to spread this way. It is mainly that in the mouth there are enzymes and microorganisms that work by hindering the activity of the virus and that air circulates constantly in the mouth and oxygen is lethal for HIV.

    Knowing this, we can now also answer another very common question: can you get HIV from a kiss? . Obviously the answer is that NO for the same reason, the amount of virus is not enough for us.

    Can I Get Hiv From Vaginal Sex

    You can get HIV through unprotected vaginal sex. Both semen and vaginal fluid can carry HIV. HIV can pass through cells in the vaginal lining by passing through certain cells or by penetrating tissue that is not intact. This allows the virus to reach the inner lining of the vagina, which is rich in immune cells that can cause systemic infection.

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    What Does Undetectable Mean

    Especially in the past few months, you may have heard the phrase Undetectable equals untransmittable.

    But what exactly does it mean?

    As HIV positive Queer Eye star Jonathan van Ness explains in his memoir, it means that if HIV can no longer be detected in the body, the HIV positive person cannot transmit it to anyone else.

    A person may become undetectable after several months of taking their medications regularly. This does not, however, mean that they are cured or that its 100% safe to have sex with an HIV positive person without a condom.

    This is because the person with HIV must continue to follow their medication regimen at all times.

    If youre at risk for HIV or have a positive partner, look into medications like PrEP that can lower your risk of contracting HIV. Help your partners to properly manage their condition, and most of all, help to reduce the stigma surrounding the virus.

    How Viral Load Affects Transmission

    Can HIV Be Transmitted Through Kissing

    For people who have HIV, your viral load is the amount of the virus that can be found in your blood.

    Once a virus enters your body, it uses your cells to reproduce. When it reproduces you get a high amount of the virus in your body. The viral load is how you describe the amount of virus you have in your body. The higher your viral load is, the more infectious you are, Safo says.

    Your viral load is at its highest at the beginning and end-stage of the virus. During these times, you are highly infectious and can easily transmit the virus to another person.

    HIV medication is designed to lower your viral load to levels by which it becomes difficult to transmit. In some cases, your load might become so low while on medication that a test wont be able to detect the virus.

    If your viral load is undetectable then you cant transmit the virus to another person. However, not everyone on HIV medication can achieve or maintain undetectable viral loads, which is why its advisable to continue to practice safe sex.

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    Hiv Transmission Through Other Sexual Activities

    HIV is also sometimes transmitted during oral sex . It may occasionally be passed from an HIV-positive person to someone sucking their penis.

    “Not every act of unprotected sex with an HIV-positive person results in HIV transmission.”

    Oral sex is much less risky than vaginal or anal sex, but it is not risk free. The risk depends on the viral load of the person with HIV, the dental health of the person performing oral sex and untreated sexually transmitted infections.

    HIV can be transmitted by sharing sex toys such as dildos or butt plugs. They should be covered with condoms or disinfected between use by different people.

    Misadministration Of Breast Milk

    Misadministration of breast milk, also known as misappropriation, breast milk exposure, and accidental ingestion of breast milk, and other terms, is a medical-legal issue when it occurs in a hospital. This scenario occurs when one infant receives breast milk from another mother by mistake. This occurrence can be very distressing to the families and medical staff involved. The actual risk for transmission of an infectious agent to an infant via a single ingestion of expressed breast milk from another mother is exceedingly low. In this scenario, the CDC recommends treating this as an accidental exposure to a body fluid, which could be infectious. Bacterial, fungal, or parasitic infection from the one exposure is highly unlikely. The concern is about viral pathogens, known to be blood-borne pathogens, which have been identified in breast milk and include but are not limited to hepatitis B virus , hepatitis C virus , cytomegalovirus , West Nile virus, human T-cell lymphotropic virus , and HIV.

    Additional important components of the hospital-based protocols for managing accidental expressed breast milk exposure include ongoing psychosocial support for the families and staff, documentation of medical discussions with the families, investigative steps, consents and interventions, and the demonstration of ongoing infection control efforts to prevent additional events of misadministration of breast milk.

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