Finally, Swine flu vaccines are "rolling" out. But, you still might get swine flu. Although people took vaccines, it might take weeks for it to go away. Here is how to prevent the BIG H1N1. When you go to the bathroom, wash your hands with soap and water. Also, cough or sneeze into your sleeve. If your a fellow student and dont feel good, STAY HOME! This is how to prevent the BIG H1N1/ Swine Flu.