I'm not so anxious about this episode, because he did finger me through the shorts and underwear. So, even thought he had pre-cum on his fingers, there was no skin on skin contact.
But it was fingering with pre-cum
HIV is transmitted by;
Unprotected penetrative anal and/or vaginal sex
Sharing works with other IV drug abusers
Mother to child
Fingering is zero risk.A finger is not a penis obviously.