What's often called stomach flu is gastroenteritis, an infection of the stomach and intestines. The flu, or influenza, is different. It causes fevers, sore throats, runny noses, and general aches and pains. It usually does not cause stomach problems.Viral infections are the usual cause of gastroenteritis.hat's often called stomach flu is gastroenteritis, an infection of the stomach and intestines. The flu, or influenza, is different. It causes fevers, sore throats, runny noses, and general aches and pains. It usually does not cause stomach problems. Viral infections are the usual cause of gastroenteritis.
So there you have it: thereâs no magic technique for ripening avocados overnight â unfortunately - but the paper bag trick does speed the process. So your guacamole cravings will have to wait a full 2 days if you have a paper bag handy or 3 if you donât. The best strategy is to keep some handy.
1 This can take a week, even two, depending on temp and how hard the avocado was when you got it.  To expedite: Place several avocados in a paper bag and store at room temperature. The fruit emits ethylene gas as it ripens, and the bag captures the gas so it surrounds the fruit effectively. This might take 3-6 days.