I think there's a bug with the curtain in the Infirmary? When I click on it, I get the following dialogue:
Dahlia: I'll ask you not to go in there, thanks.
Player: Was it always this small though?
...Which is a total non-sequitur, and also some of the other comments are making it sound like the brat is supposed to come out from behind the curtain. I also noticed that the player's dialogue is the same as when you interact with the medical diagrams? It's weird.