There is a flu vaccine available and you can get the flu vaccine every year. Influenza vaccine is a vaccine to prevent influenza caused by influenza viruses and is one of the main measures to prevent and control influenza. The influenza vaccine is effective in reducing the chances of contracting influenza as well as alleviating the symptoms of influenza. The influenza vaccine includes three types of influenza: A and B, Triple A and B. For influenza caused by these three pathogens, only the vaccine is needed, but the influenza vaccine cannot cover all types of influenza viruses. Influenza viruses cause acute upper respiratory tract infections that spread through the air, often characterized by a rapid onset of illness, headache, and high fever, followed shortly by a dry cough and sore throat. People with low immunity, those who are preparing for pregnancy, children and other suitable groups can be vaccinated in advance, which can reduce the chances of the vaccinated person contracting influenza or alleviate the symptoms of influenza. Vaccination precautions can be consulted with the doctor, if there are allergies to vaccine components, fever, suffering from acute diseases, it is not recommended to vaccinate. Influenza vaccine needs to be vaccinated in advance every year during the epidemic season. If you feel unwell after vaccination, consult a doctor as soon as possible to avoid delays and adverse consequences.