severus/remus
I don't see why they would withhold it from you. If the robots refuse, let one of us know, and we'll get it to you. The shots are to ensure you don't catch the space pox. It was a bit of an issue last year.
I disagree. Regardless of your feelings towards Sirius, I believe a nurturing environment would have done Harry wonders, most importantly having someone actually care for him.