I think Jennifer Hudson had a couple of off wekks due to illness and was fortunate to get past them.
Couple of weeks off? Has any AI top 10 contestant been given time off? I confess I don't remember.
I remember Carrie being sick last year, too. After she sang, she could barely talk.
It's probably pretty common when you are working so hard, probably not getting enough sleep, or eating the healthiest of foods.