Influenza A is the nail type of influenza, and when the fever goes down with Influenza A it is not cured. Influenza A is one of the types of influenza and is caused by the body being invaded by the influenza A virus. Although acute high fever is the main symptom caused by influenza A, it usually lasts for 2~3 days and will subside. However, the fever does not mean that influenza A is cured. The influenza A virus is still present in the patient’s body, and the symptoms caused by the disease, such as fatigue, generalized body aches, loss of appetite and upper respiratory tract symptoms, can last for several days, so the patient needs to continue to follow the doctor’s instructions to carry out antiviral treatment. Individuals need to recognize the dangers of influenza A, and must pay attention to the prevention of the disease during the influenza epidemic season, especially young children, the elderly and people with low immunity should pay attention to timely vaccination against influenza. If you suspect that you are suffering from influenza A, you can seek medical attention in a timely manner.