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.
Ripening an Uncut Avocado. 1  1. Place the unripe avocado into a brown paper bag. The bag is used to trap the ethylene gas, which ripens the avocado. 2  2. Add a banana, apple, or tomato to the brown paper bag. Bananas are best, but the other fruits will do it, too. 3  3. Store the bag, closed, at room temperature.