The price of influenza vaccine ranges from 100 to 300 RMB, depending on the type of vaccine and the local hospital’s charges. For people under three years old, two to three shots are needed, and for people over three years old and adults, one shot is enough. For the domestic influenza vaccine price is generally cheaper, a shot is about 150 yuan, if you choose to import the influenza vaccine, the price is expensive compared to the domestic vaccine, generally in the 250 yuan, but the effect is basically the same, the safety is not too different, according to their own actual economic situation to choose the type of influenza vaccine reasonably, the specific price to the local hospital’s actual charges shall prevail. Influenza vaccine can effectively defend against influenza, for children within three years of age generally need to be vaccinated with influenza vaccine two to three shots, there will be a better defense effect, and for more than three years of age or the adult population, the general vaccination of influenza vaccine can be an allergic to influenza vaccine components of the patients to be prohibited from vaccination.