The full name of influenza A is influenza A virus, the most effective means of prevention is to receive influenza vaccination, outbreaks also need to pay attention to personal protection. Influenza A virus is a serious acute respiratory infectious disease that is harmful to humans, generally characterized by an acute onset of illness, mild influenza is often similar to the performance of the common cold, and severe cases can be acute respiratory distress syndrome, shock, and many other complications. The most effective measure for the prevention of influenza A virus is to receive influenza vaccination, which can significantly reduce the risk of influenza infection and serious complications in vaccinated persons. Influenza A has a certain seasonality, and can be vaccinated to prevent infections before the season of high incidence, and can be vaccinated when influenza A outbreaks occur. In addition to vaccination, in daily life, you also need to pay attention to personal protection, maintain indoor ventilation, wash your hands diligently after leaving the house, touch your eyes, mouth, nose and other parts of the body with your hands less often, and maintain good personal hygiene habits; in the case of an influenza outbreak, try to avoid going to places where people gather and avoid close contact with infected patients.