Influenza (Seasonal) - World Health Organization (WHO)
2023年10月3日 · Influenza spreads easily between people when they cough or sneeze. Vaccination is the best way to prevent the disease. Symptoms of influenza include acute onset …
Influenza seasonal - World Health Organization (WHO)
2024年10月16日 · 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, …
Influenza - World Health Organization (WHO)
2009年11月27日 · Influenza is usually mild and uncomplicated and most people recover without medical treatment. However infection with influenza may occasionally cause severe disease …
Influenza (Avian and other zoonotic) - World Health Organization …
2023年10月3日 · Exposure to animal influenza viruses can lead to infection and disease in humans – ranging from mild, flu-like symptoms or eye inflammation to severe, acute …
Influenza: A(H5N1) - World Health Organization (WHO)
2024年5月16日 · The symptoms of H5N1 infection may include fever (often high fever, > 38°C) and malaise, cough, sore throat and muscle aches. Other early symptoms may include …
Influenza (seasonal) WPRO - World Health Organization (WHO)
2025年1月9日 · Influenza (flu) is a respiratory illness caused by influenza viruses that spreads easily through close contact with an infected person. The virus can be passed on from an …
Five simple steps to protect against flu - World Health …
2019年11月13日 · The most common symptoms of influenza (flu) include fever, a dry cough, headache, muscle and joint pain, a sore throat and a runny nose. Each year, millions of people …
Coronavirus disease (COVID-19): Similarities and differences …
2024年10月14日 · COVID-19 and seasonal influenza (flu) are respiratory infections caused by two different viruses. While some of the signs, symptoms and population groups at risk of severe …
Influenza A (H1N1) variant virus - Brazil - World Health …
On 16 January 2024, Brazil notified the World Health Organization (WHO) of a laboratory-confirmed human infection with swine-origin influenza A(H1N1) variant (v) virus, in the …
Influenza: Avian - World Health Organization (WHO)
2024年5月16日 · Seek medical care immediately if you live in or have recently visited an area experiencing an outbreak of avian influenza (also called bird flu) in domestic poultry, wild birds …