I live in a dorm , with common bathrooms ,this morning when I was using bathroom, I fond 2 or 3 drops of transparent liquid on toilet seat , then I used tissue to clean it off , when I used tissue I think the transparent liuid passed through tissue and touched my hand or I touched to my hand I could feel the wetness , after realizing it I thought I clean it but when iam cleaning myself on bidet (sanitizing equipmet for cleaning), I use hand because my anus get dried up if use tissue, so I was cleaning with my hand I realized I din't clean my hand , but in bidet there is tap which has water comeing I was using water ,to clean my anus with hand I touched few drops of liquid on toilet seat , now iam worried that , what if it is semen and I touched anus with those finger , will I get hiv? do I need test ? iam worried please help me does hiv transfer just by touching anus while cleaning