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The transmission routes and prevention methods of influenza A and influenza B are revealed!
1. Overview of influenza A (influenza A) and influenza B (influenza B).
Influenza viruses are divided into three types: A, B, and C, among which influenza A virus and influenza B virus are the main pathogens causing human influenza. Influenza A viruses have multiple subtypes and are prone to mutation, causing global influenza pandemics on several occasions. Influenza B viruses mutate relatively slowly and usually cause localized influenza epidemics.
2. The transmission route of influenza A and influenza B.
1.Droplet transmission: The flu virus is mainly transmitted to other people through droplets produced when an infected person coughs or sneezes.
2.Contact transmission: Touching items contaminated with influenza viruses, such as doorknobs, mobile phones, computer keyboards, etc., and then touching one's mouth, nose, eyes, etc., may lead to infection.
3.Airborne: Influenza viruses are present in the air as aerosols and stay in enclosed spaces for long periods of time, which can lead to the spread of the virus.
3. Prevention methods of influenza A and influenza B.
1.Vaccination: The flu vaccine is the most effective way to prevent the flu. China recommends annual influenza vaccination for high-risk groups, such as the elderly, children, pregnant women, and patients with chronic diseases.
2.Practice good hygiene:
1) Wash your hands frequently: Wash your hands with soap and running water, or use hand sanitizer.
2) Wear a mask: During the flu season, especially in public places, it is recommended to wear a mask.
3) Avoid touching the mouth, nose and eyes: reduce the chance of exposure to the virus.
4) Keep indoor ventilation: open the window at least twice a day for ventilation for more than 30 minutes each time.
3.Enhance immunity: Maintaining a good routine, exercising properly, and maintaining a good attitude can help boost immunity.
4.Avoid contact with people who are sick: Try to avoid close contact with someone with the flu and wear a mask if you do.
5.Follow your doctor's advice: If you have flu symptoms, seek medical attention and follow your doctor's advice**.
IV. Conclusion. Influenza A and B are common respiratory infections that are spread through droplets, contact and airborne transmission. The key to preventing influenza is to be vigilant, maintain good hygiene, boost immunity, and get vaccinated in a timely manner. In the season of high influenza incidence, we should pay close attention to the epidemic situation, do a good job of personal protection, and jointly resist the invasion of influenza viruses.
References: 1Wang Yu, Daniel Zhang, Li Yan, et al. Research progress on influenza virus transmission routes and prevention and control strategies[J].Chinese Journal of Preventive Medicine,2018,52(10):912-916
2. world health organization. influenza（seasonal）[eb/ol]. 2021-01-01].
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