They are required but some people are irresponsible so it's possible some aren't? I have no choice but to just accept i'm likely fine because the shots aren't gonna be covered through workmans comp most likely. (doubtful they are needed.
Doctor said teeth would have had to go into my skin or parts of mouth make contact with my skin but since I was wearing a glove, the low risk gets even lower because of that. I suppose that's true? I mean, you can shine light through the glove but it's very small holes as part of the design of glove.