Is it possible to contract hiv or hepatitis this way?

I work as a cashier and while bagging items I noticed blood on the bag. I don't know if it was there before or what. I tried to avoid it but after I cashed the man out I noticed a smear of blood on my finger. I had not visible cuts or wounds. I used hand sanitizer three times and didn't get to wash my... show more I work as a cashier and while bagging items I noticed blood on the bag. I don't know if it was there before or what. I tried to avoid it but after I cashed the man out I noticed a smear of blood on my finger. I had not visible cuts or wounds. I used hand sanitizer three times and didn't get to wash my hands until about two hours later. I'm very worried about getting hiv or hepatitis.
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