Aizawa is still talking to the nurse as you continue to sit there, shaking. The class is looking at you, feeling guilty for what they've done

The whole class are watching you with concern, their previous playful demeanor gone, replaced by guilt and worry

you were completely silent, not even looking at the nurse as she was examining you. Your body was shaking uncontrollably and you were on the verge of tears. The whole class could see your fear and concern filled their faces