Interesting topic.
I'm sure I contracted
HPV in my youth. I had no idea I had it until the pathology of my tumors came back. Initially, the pathology from my 1st tonsillectomy didn't reveal it (nor was the primary ever found).
Contacting past partners from my 20's on is just NOT going to happen logistically and otherwise. I don't even remember some of the names for goodness sakes! (I partied A LOT in those days ~lol~).
That being said, there are those I truly loved in my life but I have no idea where they might be nor do I feel compelled to even look at this point. My partner and caregiver (and soon to be fiance') knows about it so that's what counts.
Personally, I don't feel it's necessary to tell past partners but it's your own personal decision. Good luck in whatever you decide.
"T"