5 surprising facts about colds and flu

5 surprising facts about colds and flu - Colds and flu season has arrived. To avoid the disease, you can take vitamin C and diligent exercise. But other than that, here are seven surprising facts about colds and flu that you should know.1. Colds and flu can be prevented by washing handsWant to avoid colds and flu? Diligent hand washing. Washing hands is a simple preventive measures to block the