I would recommend that you go to a clinic that knows wtf they are doing. I managed to get them to do typhoid and Hep A and B. They balked about hep B-"we only give that to medical professionals" until I told them I was on a beat up freighter with all kinds of pieces of sharp metal sticking out everywhere to get cut on.
Next time I will do some better research...
Not only that, but you need to worry about the blood supply in these places. If you get badly injured in a car wreck on the way to the airport, you're subject to getting blood that might be contaminated with hepatitis.