The weather is cold, respiratory infectious diseases have entered a high incidence period, and influenza virus spreads rapidly. Cluster outbreaks are prone to occur in densely populated places such as schools, childcare institutions, and nursing homes. Wang Dayan, Director of the National Influenza Center at the Institute of Virology of the Chinese Center for Disease Control and Prevention, introduced that during this epidemic season, there were significantly more cases in the 5-14 age group than in other age groups. Wang Dayan, Director of the National Influenza Center at the Institute of Virology of the Chinese Center for Disease Control and Prevention: The reasons for the high incidence of the epidemic include the increase in indoor activities due to the decrease in temperature, poor air circulation, and enclosed spaces that are conducive to virus transmission. After being infected with influenza virus, the systemic symptoms are obvious, which can easily cause high fever, headache, muscle soreness, etc. Some people describe it as "poisoning" symptoms, which are mainly caused by the strong inflammatory factor response released by the human body after being infected with influenza virus. The key population is concentrated in infants and young children under 5 years old, elderly people over 60 years old, pregnant women, and patients with chronic diseases. They are prone to severe illness, which can lead to complications such as pneumonia, heart damage, and even shock. They should be highly valued, seek medical attention early, and receive medication treatment according to medical advice as soon as possible. The sales of anti influenza drugs have increased. Doctors remind against blind use. What is the current sales of related anti influenza virus drugs? How to scientifically prevent and use medication correctly? Watch the journalist's interview. The reporter visited several pharmacies in the urban area of Zhengzhou and learned that the sales of anti influenza drugs such as oseltamivir have generally increased recently. Some pharmacies have reported that sales have increased by about 70% compared to the previous period. At a hospital in Zhengzhou, a reporter saw a long queue of people picking up medication at the dispensing window. According to the pharmacist, the prescription and dosage of anti influenza drugs have increased recently compared to last month. During the interview, it was learned that many patients voluntarily requested antiviral drugs such as oseltamivir from doctors when seeking medical treatment. However, after diagnosis, doctors found that some of these patients did not have the flu, but rather a common cold or other respiratory diseases. Zhang Wan, Deputy Director Pharmacist of the Pharmacy Department of the First Affiliated Hospital of Zhengzhou University: Drugs such as oseltamivir and mabaloxavir are only effective against influenza viruses and have no therapeutic effect on other viruses that cause common colds. Therefore, the premise of using these drugs is that they must be diagnosed by a doctor and confirmed or highly suspected to be influenza before use. As the influenza virus enters a high-risk period and the number of patients increases, do people who have close contact with influenza patients belong to the susceptible group of influenza and need medication for prevention? Zhang Suqin, Director of Pediatric Respiratory Department at the First Affiliated Hospital of Zhengzhou University: If there is a child with H1N1 influenza at home, parents who have close contact and care for this child suggest giving oseltamivir for prevention. For elderly, children, patients with underlying diseases, and those with very low immune function, it is also recommended to give oseltamivir for early prevention. (New Society)