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The possibility of reinfection after influenza infection: demystifying prevention and key points.
Influenza, an acute respiratory infectious disease caused by the influenza virus, causes a large number of infections and deaths worldwide every year. In China, influenza has also received widespread attention and prevention and control. So, is it possible to get reinfected after getting the flu? This article will demystify this question for you and introduce the prevention and key points of flu in detail.
1. Will I be reinfected after influenza infection?
The answer is yes. Influenza viruses have multiple subtypes, and viruses mutate rapidly. Even if you've been infected with one subtype of influenza virus and have developed immunity, it's still possible to be infected with other strains of influenza virus. In addition, mutations of influenza viruses can lead to a decrease in pre-existing immunity, making it possible for people to be reinfected with the same subtype of influenza virus.
Second, the prevention of influenza and the key points.
1.Precautionary measures.
1) Get a flu shot: The flu vaccine is the most effective way to prevent the flu. Every year before the flu season, according to the vaccine strains recommended by the World Health Organization, China will update the flu vaccine. It is recommended that high-risk groups (such as the elderly, children, pregnant women, patients with chronic diseases, etc.) get vaccinated against influenza in a timely manner.
2) Practice good hygiene: Washing your hands frequently, wearing a mask, and avoiding crowded places can help reduce the risk of getting the flu.
3) Enhance immunity: Maintaining a good work and rest routine, exercising properly, and maintaining a good attitude will help enhance immunity.
2.*Essentials.
1) Antiviral**: After influenza virus infection, early use of antiviral drugs (such as oseltamivir, zanamivir, etc.) can effectively reduce symptoms, shorten the course of the disease, and reduce the risk of complications.
2) Symptomatic**: Influenza patients should rest sufficiently, drink plenty of water, and maintain indoor air circulation. For symptoms such as fever, headache, and muscle aches, antipyretic and analgesic drugs (such as ibuprofen, acetaminophen, etc.) can be used.
3) Traditional Chinese Medicine**: Traditional Chinese medicine believes that influenza belongs to the category of "seasonal cold", which can be carried out according to the patient's physique and condition, using traditional Chinese medicine decoction, Chinese patent medicine, acupuncture and other methods**.
3. Summary. 
It is still possible to be reinfected after influenza infection, so we need to pay attention to influenza prevention and **. Getting a flu vaccine, practicing good hygiene, and boosting immunity are key to preventing influenza. In terms of **, early anti-virus**, symptomatic ** and traditional Chinese medicine ** methods can be selected. Through scientific prevention and control measures, we are expected to reduce the risk of influenza infection and protect our health.
References: 1Wang Yu, Daniel Zhang, Li Yan, et al. Research progress on influenza virus infection and reinfection[J].Chinese Journal of Microbiology and Immunology, 2018, 36(10): 821-825
2.Zhang Li, Liu Fang, Li Xiaohui, et al. Research progress on influenza vaccine[J].Vaccines, 2019, 37(2): 81-86
3. world health organization. influenza vaccines [eb/ol]. 2021-01-01].
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