Acne, right? That sounds a lot like acne to me.
If a unit of blood is type A wich contains An antigen is transfused into someone with type B they have anti-type A antibodies in their blood, a transfusion reaction will occur.
did that answer your question? in not really sure lol I kinda didn't understand but I try hehe?
B. glia
*glial? is how it is actually spelled
yeah I would have to agree with the person down below. And I also think you could possibly get HIV or AIDs from the unclean needles?