After the large population movement after the Spring Festival, in the spring school season of each year, the influenza virus may have a small peak than usual.
Li Na, deputy chief physician of the Department of Respiratory and Critical Care Medicine of the Second People's Hospital of Hunan Province, introduced that influenza is a common acute respiratory infectious disease caused by influenza virus, which is divided into four types: A, B, C and D, and influenza A and B are seasonally circulated every year, of which influenza A virus can cause a global pandemic.
After the Spring Festival, all parts of the mainland have entered the influenza epidemic season. Influenza is highly contagious, mainly through droplets such as sneezing and coughing, direct or indirect contact with the mucous membranes such as the mouth, nasal cavity, and eyes, and may also be transmitted in the form of aerosols in densely populated or poorly ventilated rooms.
"The onset of influenza within 48 hours of medication can reduce the occurrence of severe cases", Li Na introduced, influenza onset of urgency, systemic symptoms are severe, mainly manifested as fever, chills, general pain, headache, fatigue, but also respiratory symptoms and digestive tract symptoms, influenza is mostly self-limiting, fever gradually subsides after 3-5 days of illness, systemic symptoms improve, some patients can have severe pneumonia, acute respiratory distress syndrome, acute necrotizing encephalopathy or multi-organ dysfunction, severe death.
Li Na reminded that in the influenza epidemic season, reduce non-essential outings, avoid going to crowded, crowded, poorly ventilated places, maintain a certain social distance, habitually wear masks, wash hands frequently, ventilate frequently, and get the flu vaccine in time every year to help prevent influenza. Once there is a clinical manifestation of suspected influenza, it is recommended to take self-isolation measures and seek medical treatment in time so as not to delay treatment.
"Find out the type of influenza, in order to effectively respond", Zeng Xiangbo, director of the Department of Respiratory and Critical Care Medicine of the Second People's Hospital of Hunan Province, introduced, "The influenza virus encountered in the recent outpatient clinic is mainly influenza B, and the common influenza B in the past can cause loss of appetite, nausea, vomiting, diarrhea and other digestive tract symptoms in addition to fever, chills, muscle pain, etc. This year, the respiratory symptoms such as sore throat, cough, nasal congestion, and runny nose caused by this influenza B are very obvious. This is a little different from our usual understanding of influenza B. ”
Director Zeng Xiangbo reminded: Once there is fever, chills, body aches, muscle pain, fatigue, cough, sore throat and other symptoms, first respiratory isolation, and then timely medical treatment. Usually, non-essential outing activities should be reduced, a certain social distance should be maintained when going out, masks should be habitually worn, hands should be washed frequently, and the flu virus should not be given the opportunity.
Contributed by: Li Na, Department of Respiratory and Critical Care Medicine, Second People's Hospital of Hunan Province (Hunan Brain Hospital).
Editor: Cheng Jie
Image: From the Internet, intrusion and deletion