The hepatitis one...I think. if you know for sure I an wrong then it's definitely the first one about HIV
I would love to help you, but we are blocked by a computer screen :) :-p
Actually cell can get big but they are smart enough to stay small and live off lots of small food, and there isn't enough food for them to live off of (if this is wrong i apologize)
Bloating, gas, diarrhea (not diseases but nagging symptoms)