Influenza A and influenza B both belong to influenza, the two infected with different viruses, the details are as follows: 1. Influenza A: caused by the influenza A virus, usually influenza A is prone to cause large-scale outbreaks, generally heavy disease. 2. Influenza B: caused by the influenza B virus, influenza B is a small epidemic is common, the disease is relatively light. The treatment for both is isolation for suspected or confirmed patients to prevent contact or respiratory transmission, and antiviral drugs can be used within two days of the onset of the disease, of which the most common drug is oseltamivir. In addition, patients should pay more attention to rest and strengthen nutrition, which will facilitate the recovery of the disease.