Many experts feel that to call the tests which differentiate HIV-1 infections from HIV-2 infections should not be called “5^th generation tests” since they do not change the time-related sensitivity of detection but rather differentiate HIV-1 infections from HIV-2.  Here in the U.S. more than 99.9% of all HIV infections are caused by HIV-1 and the few (typically less than 50 HIV-2 infections which are diagnosed are diagnosed in persons who have traveled to or had sex partners who have been in India or West Africa.   In your case, the chances that you have HIV-2 are virtually zero.  The reasons for this are abundant and include:

1.       Your exposures are low risk.  HIV-2 is more difficult to transmit that HIV-1 and the risk of acquisition of HIV from performing oral sex on an infected, untreated partner is less than 1 in 12,000.

2.       Your partners did not share the characteristics of persons in whom HIV-2 is found on those occasions when it is diagnosed.

3.       Since your test, you have had multiple additional tests which would have detected antibodies to HIV-2 had you been infected- all are negative and by now you certainly would have developed antibodies to infection.

4.       The numerical value of your solitary positive test is low, in the range where false positive typically fall while true infections typically have far higher values

I agree with your PMD.  This is NOT HIV-2, or HIV of any sort.  In our past interaction I suggested you stay off the internet, something that has proven hard to do.  I encourage you once again to do that.  I see no medical reason for concern of any sort and no scientific reason for further testing.  I sincerely hope that this reassurance will help you to move forward.  EWH