Always wash your hands with soap and water before and after preparing foods or drinks, before eating, and always wash after using the bathroom. When traveling or away from running water, carry hand wipes. Don’t drink from outdoor wells or unfiltered water sources without first boiling the water. Exercise daily to keep your body and immune system strong. Drink plenty of water. It is best to avoid eating chocolate, raw or uncooked foods like salads and sushi. Avoid greasy, spicy, pungent or heavily seasoned foods like french fries, salsa, and barbeque. Avoid fish without scales and fins and all shellfish. No coffee and no cold beverages.