Her classmates that are straight edge might feel stressed as they might presume or know alcohol or drugs will be there yet they don't want to feel left out. Those who suffer from anxiety or who are antisocial will be extremely stressed to be around a lot of people as it feels like you are being engulfed in so many peers at once.
The answer is immunizations. I had this question before.
If so it should be simple
How long does it take to kill does it kill can I be cleaned up does it spread
Cardiorespiratory health because without the lower body you couldn't do any cardio activities.