1. What is H1N1?
"Influenza A", short for influenza A, is an acute respiratory infectious disease caused by influenza A virus. Influenza viruses are divided into three types: A, B and C. Human influenza is mainly caused by influenza A and B viruses. Influenza A and B are seasonal epidemics every year. Influenza A is further divided into two subtypes: H1N1 and H3N2.
2. High incidence of influenza A?
With the arrival of spring, the temperature difference between morning and evening is large, which is the high incidence period of respiratory diseases such as colds and influenza, especially "H1N1". The CDC in many places has issued a reminder to prevent "H1N1".
Recent news also reported that many primary and secondary school students had fever symptoms, and some schools were suspended due to influenza A or influenza.
3. Communication mode?
"Influenza A" is mainly transmitted through the respiratory tract through droplets. Patients and recessive infected persons are the main source of infection. The virus can be discharged from nasal mucus, saliva, sputum and other secretions within 5 days after the onset of the disease. The infection period is about 1 week, and the infection is the strongest in 2-3 days at the beginning of the disease.
4. What are the main symptoms of influenza?
The main symptoms are fever, headache, myalgia and general malaise. The body temperature can reach 39-40 ℃. It is often accompanied by symptoms such as sore muscles and joints, fatigue, loss of appetite, etc., often with sore throat, dry cough, and can have chills, chills, nasal congestion, runny nose, discomfort behind the sternum, flushing face, conjunctival congestion, etc. Influenza can aggravate potential diseases (such as heart and lung diseases) or cause secondary bacterial pneumonia or primary influenza viral pneumonia. The elderly and those suffering from various chronic diseases or physical weakness are prone to serious complications after suffering from influenza, with a high mortality rate.
5. How to prevent?
Good personal hygiene is an important means to prevent respiratory infectious diseases such as influenza.
Including: wash hands frequently; Open windows frequently for ventilation; Try to avoid touching your eyes, nose and mouth with your hands. When coughing or sneezing, cover your mouth and nose with a handkerchief or paper towel, or cover it with your upper arm sleeve; In the influenza epidemic season, try to avoid going to places where people gather; When family members have influenza patients, try to avoid contact with each other; When going to the hospital, you should wear a mask to avoid cross infection.