Viruses can cause many diseases. It can be serious and lead to hospitalization, complications. Here is some advice on how to avoid viruses. You should keep your room clean, often open windows. You also keep clean hands by regularly washing your hands with soap and water. Besides, you should maintain a healthy lifestyle. You can eat more fruit and vegetables and exercise frequently. You should wear a mask when going out. If it gets serious, you should go to the doctor for advice.