but since it's able to be transmitted thru sexual intercourse, hepatitis A is considered a std.

Hmm, yeah u got a point. I still reckon it should be considered an std otherwise people would ignore the fact that it can be transmitted sexually especially those involved in anal sex. Oh well, I'm only stating my opinion based on what I found on the net cuz if u search for std/sti they usually have hep a included and if the book says its not, then it's not