1. You can do many things to avoid viruses. 2. First, always keep your surroundings clean. 3. You can sweep and clean your house every day. 4. Moreover, wash your hands often with soap. 5. Drink two litres of water a day and eat more coloured vegetables. 6. Exercise at least three times a week to have good health. 7. Always remember to wear a mask when you go out. (bỏ day)