Q and A

Question

I’m undetectable, can I transmit HIV to my partner?

I’m positive and undetectable. My girlfriend is negative, can I transmit HIV to her?

Answer

Thanks for getting in touch.

When a person has an undetectable viral load, they cannot transmit HIV through sexual intercourse when not using a condom. There’s more about this here:

https://i-base.info/htb/32308

37 comments

  1. Simon Collins

    Dear Mark, it sounds like you should not be a dentist. You are not following basic training. If your obsession with other infections continues – hepatitis, HPV, CMV, covid etc – please look for an alternative job. I would not feel safe being treated by you.

  2. Mark

    Hi doc
    I am dentist and while working in patients
    A little blood spot enter my eye
    So if patient infect with HIV
    Can a little spot of blood put me at risk for HIV?

    And the eye is route for HIV transmition ?
    I am very worried please answer me

  3. Josh Peasegood

    Hi John. This is not how HIV is transmitted. There is no risk.

    Please follow this link for more information about testing and transmission: https://i-base.info/qa/factsheets/hiv-transmission-and-testing

  4. John

    Hi
    Does touching the vagina and some part of my finger enter the vagina for 5 sec and this occur under the water in sea put me at risk for HIV ?
    My finger skin is intact without any cut
    Anthor question does fingering cause HIV ?
    Please answer my question?

  5. Lisa Thorley

    Hi Mbali,

    If you were undetectable for the whole time that you were in a relationship with your ex, this means that its not possible that they contract HIV from you. This is a fact.
    You ex being given PrEP was the wrong thing to do and this wouldn’t have happened had you have been in the UK.
    U=U is 100%, if your viral load is undetectable you can’t transmit HIV.

  6. Mbali

    I don’t understand this thing of undetectable. My viral load has been undetectable for 5 years, I had a partner who left me after I diclosed my status to him. Before the partner left I insisted that he go and test of Which the results came negative and nurse gave us cancelling then they asked him to come back so he will be on Prep, months later he comes back saying I infected him.
    I don’t understand this U=U how accurate it is?

  7. Lisa Thorley

    Hi Jerrys,

    If your girlfriends viral load is undetectable, there’s no risk. Please see here: http://i-base.info/u-equals-u/ If however her HIV isn’t under control, then yes there is a risk. You will need to test.

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