I was working the graveyard last night and i got called to come terminal clean a room in the E.R. Non-stat, so I cruise down clean the room (lots of hair on the ground) and as I'm walking out tossing some trash the nurse sees me and says "make sure you wear booties and a cap that patient had lice." Another time I was working the morning shift down in the snf attached to our hospital. A patient passed and the nurse wanted the room cleaned stat. So I go over to the room, it's a mess the bed not even stripped (big no-no for us housekeepers), so i clean the room the best I could fast without compromising proper sanitation. I finish in about 20 minutes and I'm walking back to grab some trash bags, the lvn sees me and ask me if I finished the room yet. I respond with a thumbs up, she then says "oh did you gown up? that patient has scabies." Both times had no contact precaution sign on the door. I have about 5 more months of housekeeping left until I become a C.N.A. I would like to be able live and be healthy for that time. My question is whose responsibility is it? I say the nurses because I'm not there, I have no idea which nurse has which room, there is no possible way for me to figure out what a patient has and if it something I should be concerned about.