- Influenza (seasonal) - World Health Organization (WHO)
WHO fact sheet on influenza: includes key facts, definition, symptoms, transmission, seasonal epidemics, effects, prevention, WHO response
- Influenza - World Health Organization (WHO)
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
- Influenza (seasonal) - World Health Organization (WHO)
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 - What You Need to Know - Drugs. com
Influenza Medically reviewed by Drugs com Last updated on Jun 2, 2025 Care notes Aftercare Ambulatory Discharge Inpatient Español Overview Risks Symptoms Diagnosis Treatment Prevention What is influenza (the flu)? The flu is a viral infection of the lungs and airways The virus spreads through droplets in the air when someone with flu coughs or sneezes You may also get the virus through
- The burden of Influenza - World Health Organization (WHO)
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 twice a year
- Flu (influenza) Guide: Causes, Symptoms and Treatment Options
Flu (influenza) - an easy to understand guide covering causes, diagnosis, symptoms, treatment and prevention plus additional in depth medical information
- Five simple steps to protect against flu
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
- 季节性流感 - World Health Organization (WHO)
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。 治疗应以缓解症状为
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