The reason was she didn’t want Luke to see her covered in dirt because she had a crush on him So when Luke appears in the mist, she was conscious of her looks, she straightened her dirty T-shirt and comb the loose hair out of her face and had to find an excuse to get out of sight.
Answer:
I think it should be called Race to the Cure or The Disease or something like that. Sounds like a great book hope you find a good title for it!!