Question of HSV1 transmission risk

[Rbx77]

I am in a consensual non-monogamous relationship with a long term partner. I test positive for HSV-1 (IgG > 6.0) and negative for HSV-2 (IgG < 0.9) but do not suffer outbreaks. My partner has a genetic disorder that causes chronic illness and immune suppression so we have taken steps to ensure her continued health and safety. I am starting a relationship with a new partner who tests positive for HSV-1, negative for HSV-2, and does get periodic oral outbreaks.

What, if any, risk is there to me of contracting an additional strain of HSV-1 that would lead to outbreaks given that I already have HSV-1 antibodies? Additionally is there any risk to my long term, HSV-1 negative partner, of transmission of the virus strain from the new partner through me (as I would be having intimate contact with both though never at the same time)?

[Terri Warren]

I actually have just been to a meeting about this, as it related to HSV 2. Superinfection , that is, being infected with more than one strain of the same type, appears to be unusual in the US and in people who are HIV negative. So in summary, I would not be concerned about you contracting a new strain of HSV 1.

In terms of your partner, I am not as concerned about her risk of acquiring HSV 1 with the addition of this new partner as you are not in a different position, really, than you have been. The screening test misses 27% of HSV 1 infections, comapred to western blot, so her testing may or may not be accurate anyway.

Terri

[Rbx77]

Thank you so much for the swift reply! My long term partner (potentially HSV1-) is going ahead and having the western blot test run to get a definitive answer as to her status. Assuming that result does come back negative:

After contact with my HSV1+ partner who does have outbreaks, how can I best protect my (live-in) HSV1- partner from contact with potential live virus on my skin/etc?

I normally shower, wash my hands, and use Listerine before any casual or intimate contact after HSV1 exposure.

Would brushing my teeth be better or worse (microabrasions)? Is there a specific soap or cleansing product that is antiviral?

Do special precautions need to be taken with clothing? (I saw a reference to washing towels in boiling water.)

[Terri Warren]

oh my goodness, you definitely don’t need to wash clothing in boiling water. OMG, where on earth did you read such rubbish?
I don’t think any of the things that you describe are going to help much with transmission to your regular partner. You are already positive for HSV 1 so I don’t believe the new partner is any more of a risk to your regular partner. Does your regular partner know about the new partner?
How is your regular partner acquiring the western blot? I ask because often clinicians tend to tell patients they can order it through their regular lab avenues but in reality, they can’t and they order some other thing that is not a western blot.

Terri

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