**WARNING** Do not proceed if you have a weak stomach! My family has been passing around the stomach bug since December 12. I have 6 siblings, so it can take a looong time to get through everyone. So far me, my brother, and my baby sister are the only ones who have escaped (thank you, God, for that blessing!). I'm wondering if there are any doctors on here, because I have a question. When I was little, I got the stomach bug just like everyone else. However, I think the last time I threw up was when I was 7. Maybe it was 8. I'm almost 15 now. I'm wondering if it possible to somehow develop an immunity? I Googled it and read that it is pretty much like the regular flu and you can't really develop a permanent immunity since there are so many strains. However, it also said that the bacteria bind to reseptors in your small intestine, and if you happen to not have the receptors, you don't get sick. Is it possible to somehow lose the receptors? I find it extremely hard to believe that I haven't caught the stomach bug in 7 years, especially since my family has it about every year. Does anyone know anything about this? I'd LOVE to know that I'm immune!