Why meeeeeee

Literally every every EVERY time someone asks me if I've had a certain symptom and I havent, I get it literally the next day. My mom asks if i had heartburn I say no, bam next day. Yesterday this girl says she's surprised I'm not sick, I wake up I'm freaking dying. First trimester my sister asks me if I had morning sickness my answer was no and now I'm still vomiting. What the heeeellllllll. Anyone know how to take care of a virus while pregnant? I had a shitty immune system beforehand. This thing happened within hours.