Difference between influenza A and common flu

According to the clinical analysis, the main differences between influenza A and ordinary influenza are the nature of infection, the type of infected virus and clinical symptoms.
1. The nature of infection is different: influenza A is more contagious, and ordinary influenza is less contagious.
2. Virus type: Influenza A is caused by influenza A virus infection. Common flu has many causes, including common cold virus, coxsackie virus and adenovirus.
3. Different clinical symptoms: Influenza A patients generally have more severe symptoms that last longer, higher body temperature, headache and muscle aches. The basic symptoms of common influenza are relatively mild, usually upper respiratory symptoms, such as runny nose, sore throat and nasal congestion and so on.
There is a big difference between influenza A and common influenza, in order to avoid confusion, it is recommended to go to the hospital for examination and treatment as soon as possible after the discovery of abnormality, so as to control the condition as soon as possible.