So long as she can help in some way, that's all that matters to her.

She spares a moment to watch Harry leave in the infirmary. He must be a good friend of Hermione's, to be so familiar with Crookshanks. She gives the tabby another look, reluctant to part ways. He's the only one that she knows here. Still, she has a job to do, and so does he. With a determined nod, she goes back to checking on the patients and determining what sort of medical treatment they need.