You don’t know the flu.

Know your enemy and know yourself, and you can fight a hundred battles with no danger of defeat. Influenza is a common respiratory infectious disease. Every winter and spring, influenza epidemics occur in all parts of China. So what exactly is the flu? How does it spread? How can we prevent it? This article will give you a detailed answer. First, what is influenza? Influenza is an acute respiratory infection caused by influenza virus. Influenza viruses are divided into three types, a, B and C, of which influenza virus is the most common type and the most prone to mutation. Influenza viruses are mainly transmitted through respiratory droplets, person-to-person contact or contact transmission with contaminated objects. 2. Transmission routes and symptoms of influenza 1. Transmission routes: Influenza viruses are mainly transmitted through the following routes: (1) droplet transmission: When infected people cough and sneeze, the virus will droplet transmission into the surrounding air, and other people may be infected with influenza after inhaling these droplets. (2) contact transmission: Influenza virus can be attached to the surface of doorknobs, desktops and other objects, when people touch these objects, and then touch their mouth and nose, the virus may be introduced into the body. (3) Airborne transmission: In a closed and crowded environment, influenza viruses may also be transmitted through the air. 2. Clinical signs and symptoms: Influenza symptoms usually include the following: (1) Acute onset: Acute onset of influenza, patients often have fever, headache, fatigue and other symptoms. (2) High fever: The patient’s body temperature can reach more than 38 ℃, which can last for several days. (3) systemic ache: Influenza virus can cause systemic muscle and joint ache. (Symptom of 4) respiratory tract: The patient may appear the respiratory tract symptom such as cough, sore throat, snuffle. (5) Digestive system symptom: Partial patient may appear the digestive system symptom such as disgusting, vomiting, diarrhoea. 3. Prevention and treatment of influenza 1. Preventive measure: (1) Influenza vaccination: Influenza vaccination is the most effective means to prevent influenza, which can significantly reduce the risk of influenza and serious complications. (2) Maintain good personal hygiene habits: wash hands frequently, wash hands with soap and water, and avoid touching mouth and nose with unwashed hands. (3) Avoid close contact: In the season of high incidence of influenza, try to avoid attending crowded parties and public activities. (4) Strengthens the physique: Carries on the sports properly, strengthens own immune function. 2. Treatment: (1) Symptomatic treatment: Patients with influenza should be treated according to symptoms, such as fever, cough, muscle pain relief, etc. (2) Antiviral therapy: In the early stage of morbidity, antiviral drug such as oseltamivir can be used to alleviate symptoms and shorten the course of disease. (3) Complication cure: Flu complication is like pneumonic, myocarditis to wait to need seasonable cure, serious person may need to be in hospital cure. 4. Conclusion Influenza is a common respiratory infectious disease. Although most people have mild symptoms after infection, serious complications may occur in high-risk groups such as infants, the elderly and patients with chronic diseases. Therefore, it is very important to understand the transmission route, symptoms and preventive measure of influenza. In the season of high incidence of influenza, we should do a good job of personal protection, actively vaccinate, face influenza correctly and deal with it rationally to ensure our health. Through the popular science of this article, I hope you have a more comprehensive understanding of influenza. Remember, know your enemy and know yourself, and you can fight a hundred battles with no danger of defeat. Let’s fight the flu together and protect the health of ourselves and our families.