Hello. 2 days ago, i was exposed to hepa b. while the doctor pulled out the placenta of a pregnant mother with hepa B, blood splattered all around the below part of my pants and shoes and I've got a problem because i;ve got a small abrasion wound on the lower third part of my shin. would i get hepa b? i got 3 vaccines when i was a kid. im 19 years old now.