when can I eat food prepared by my mom again?

Alright so basically my brother and mom both got noro last weekend and both tu. (My younger sister got it a few days later and my dad had a headache and felt bad yesterday. She tu but he didn't) my mom also still felt nauseous three days ago. I'm just wondering when it would be safe to eat food prepared by her. I haven't eaten anything made by her since she got sick. Just trying my absolute best not to get it especially since I'm the only one that hasn't😭