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Qu’est-ce que l’influenza? L’influenza, souvent appelée la grippe, est une maladie contagieuse causée par des virus qui affectent les voies respiratoires (nez, gorge et poumons).
La gripe es una infección vírica aguda que se transmite fácilmente de una persona a otra. Los virus de la gripe circulan por todo el mundo y pueden afectar a cualquier persona de cualquier edad.
27 thg 11, 2009 · Influenza is an acute viral infection that primarily attacks the upper respiratory tract, including the nose, throat, bronchi and, less frequently, the lungs. The disease occurs worldwide and spreads very quickly in populations, especially in crowded circumstances.
28 thg 2, 2025 · 概述 季节性流感（流感）是由流感病毒引起的急性呼吸道感染。季节性流感在世界各地都很常见。大多数人不治而愈。 当人们咳嗽或打喷嚏时，流感很容易在人与人之间传播。接种疫苗是预防这种疾病的最佳方法。 流感的症状包括急性发烧、咳嗽、喉咙痛、身体疼痛和乏力。 治疗应以缓解症 …
13 thg 11, 2019 · In tropical regions, influenza can occur throughout the year, causing outbreaks more irregularly, but prevention is still important. Here’s how you can protect yourself, and those around you. Get vaccinated Annual vaccination is the most effective way to protect yourself against flu, and serious complications.
世界卫生组织（世卫组织）今天宣布了所推荐的2025-2026年北半球流感季节流感疫苗病毒成分。世卫组织在为期4天的流感病毒疫苗组分会议结束后举办的通报会上宣布了其建议。世卫组织每年举行两次流感病毒疫苗组分会议。
28 thg 2, 2025 · WHO fact sheet on influenza: includes key facts, definition, symptoms, transmission, seasonal epidemics, effects, prevention, WHO response.
季节性流感是在世界各地循环的流感病毒引起的急性呼吸道感染，其特征包括突然发热、咳嗽（往往是干咳）、头痛、肌肉关节酸痛、严重疲乏感（感觉不适）、嗓子疼和流鼻涕。咳嗽可以比较严重，持续2周或更长时间。 大多数人的发热和其他症状会在一周后消失，无需就医。但流感可引起严重 ...
25 thg 3, 2025 · Seasonal influenza is an acute respiratory infection caused by influenza viruses which circulate in all parts of the world. It is characterized by a sudden onset of fever, cough (usually dry), headache, muscle and joint pain, severe malaise (feeling unwell), sore throat and a runny nose. The cough can be severe and can last two or more weeks.
Influenza, or the flu, is both a seasonal and a pandemic virus. Every year, mainly during the winter season, seasonal influenza infects as many as 1 billion people. This makes it one of the most common infectious respiratory viruses, after the common cold. Thankfully, the WHO Global Influenza Surveillance and Response System, or GISRS, monitors what viruses are circulating and …
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