Recent surveillance data show that the activity of influenza viruses across the country has further strengthened, and has entered the peak period from the pre-pandemic influenza period. The current influenza A (H1N1) virus and influenza A (H3N2) subtype influenza viruses are co-prevalent, with influenza A (H1N1) virus activity being the mainstay, but the proportion of influenza A (H3N2) subtype influenza viruses has risen recently. What is Influenza Influenza is an acute respiratory infectious disease caused by influenza viruses, with a rapid onset of illness, although most are self-limiting, some will develop complications such as pneumonia that can progress to severe influenza, and a small number of severe cases with rapid progression of the disease can die due to acute respiratory distress syndrome (ARDS) or multiple organ failure. Difference between Influenza and Cold Influenza has heavier systemic symptoms than the common cold. Influenza is caused by the influenza virus, but the diagnosis of whether it is influenza or the common cold relies on laboratory testing. The diagnosis of influenza can be confirmed if the pathogenetic test is positive for influenza virus. Different people are at different risk for serious complications after contracting the flu virus. Children, the elderly, pregnant women, and people with chronic underlying medical conditions such as asthma, diabetes, and heart disease are at higher risk for serious complications after contracting the flu virus, and this is what we call the high-risk group for influenza. What are the ways of transmission of influenza? Droplet transmission is the most common way of transmission. Generally, influenza patients or influenza carriers carry a large number of influenza viruses in the droplets sprayed out by talking, coughing and sneezing. If a healthy person comes face to face with them or is close to them, for example, within 1 meter or even 2 meters, he or she can easily be infected with influenza virus. Indirect contact transmission, which is also a more common mode of transmission. If you come into contact with surfaces contaminated with influenza virus, such as desktops and doorknobs, and then touch your eyes or nasal mucous membranes with your hands, you will also be infected, which is called indirect contact transmission. How should you prevent influenza Maintaining good personal hygiene habits is an important means of preventing influenza as well as other respiratory infectious diseases, including: 1, wash your hands frequently; 2, keep indoor air circulating and pay attention to environmental cleanliness; 3, in the influenza epidemic season, try to avoid going to crowded places; 4, after the emergence of influenza symptoms, if coughing, sneezing, cover your mouth and nose with a paper towel, towel, etc., and wash your hands. Try to avoid touching the eyes, nose or mouth; 5, family members if there is influenza patients, to try to avoid contact with each other, especially when there are elderly or chronic disease patients at home this high-risk group, should pay more attention to the protection; 6, to maintain adequate sleep, a healthy diet, a moderate amount of exercise; 7, influenza is a vaccine-preventable diseases, the annual influenza vaccine is an effective means of personal prevention of influenza, which can significantly reduce the risk of influenza as well as the occurrence of serious complications in the vaccinated person. Flu season, do the above 7 preventive measures to stay away from the flu Oh.