If you want this shot and can't find it at your OB office or family doctor give your county health department a call. I'm in Lancaster County, PA and was tipped off by a friend that our office had some shots and they were taking a pregnant friend of my friends that day. I called over and they told me to also come in that same day. I got mine on Tuesday. They said they have a very limited amount so they are only vaccinating pregnant women (would not do my 3 year old or 1 1/2 year old) but at least one of us is protected now (actually two of us since it gives the baby the antibodies he'll need when he's born into flu season).
Anyway, I wanted to share this with you guys as a possible idea for finding a shot. My county is still not advertising that they have it so I got really lucky finding out.
Good luck!!