He DID know he had it.
He\'s a sick **** who enjoys spreading HIV around, he even went as far as to get a alias so he could continue (James Kimball).
When he became known in the media he fled the country and disappeared, until 2 months ago (he was spotted by a tourist IIRC).
"Mehdi Tayeb is since 1998 wanted in his absence suspected of rape and having unprotected sex with 130 women and two men, even though he was aware that he was carrying HIV."