today I was in my friend home and we are not allowed to enter the house with shoes anyway i was with setting with out shoes naked feet so one of my friends scratch my foot with his leg nail and I'm coming to bleeding little bit after that I set in the floor to play card so the place that blood come from it the wound it contact with the carpet of the floor also with my friend nail is there any risk if his nail was blood or on the floor notice that all the day I was naked with out any shoes