Continue on like you normally would. Yes, it likely will take a bit longer than normal for her to transition but there's not much you can do. Kids get sick but life has to go on.

I had a boy start last Fall and he ended up having to get a cast put on his arm. I think this might have had a bit to do with his difficult transition period (all day everyday crying for 2 weeks) but what else could we do? Once they are comfortable with you the transition period gets easier.

Good Luck!!