`````关于HIV晓得的都来答一下

1:像日常生活中难免有割伤刮伤流血等等````也很难确定````A人在游泳池洗澡B也在两人都有伤口````A有HIV那B不是很有可能通过血液感染HIV``````````````难道这些小伤就不会传染HIV病毒么?````````````````````````````,2:针上肉眼所看不到的血含HIV伤了人是否有具有传染性?