Influenza (Seasonal) - World Health Organization (WHO)
Oct 3, 2023 · Seasonal influenza (the flu) is an acute respiratory infection caused by influenza viruses. It is common in all parts of the world. Most people recover without treatment. 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 of fever ...
Influenza (Avian and other zoonotic) - World Health Organization …
Oct 3, 2023 · Human infections with avian and other zoonotic influenza viruses, though rare, have been reported sporadically. Direct or indirect contact with infected animals represent a risk for human infection. Current zoonotic influenza viruses have not demonstrated sustained person-to-person transmission. For avian influenza viruses, the primary risk ...
Influenza - World Health Organization (WHO)
Nov 27, 2009 · Symptoms. Influenza is characterized by a sudden onset of high fever, cough, headache, muscle and joint pain, malaise, and a runny nose lasting 2 to 7 days. Influenza is usually mild and uncomplicated and most people recover without medical treatment. However infection with influenza may occasionally cause severe disease and death, particularly ...
Influenza seasonal - World Health Organization (WHO)
Oct 16, 2024 · Seasonal influenza 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. For patients that are not in a high risk group, treatment focuses on relieving symptoms of influenza such as ...
Influenza: A(H5N1) - World Health Organization (WHO)
May 16, 2024 · H5N1 influenza virus infection can cause a range of diseases in humans, from mild to severe and in some cases, it can even be fatal. Symptoms reported have primarily been respiratory, but conjunctivitis and other non-respiratory symptoms have also been reported. There have also been a few detections of A (H5N1) virus in persons who were exposed ...
Coronavirus disease (COVID-19): Similarities and differences …
Oct 14, 2024 · 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 complications are similar, there are some important differences. This questions and answers page will help you know the facts about both COVID-19 and influenza so you can make more …
Influenza: Avian - World Health Organization (WHO)
May 16, 2024 · Avian influenza, sometimes known as bird flu, is a disease caused by a virus that mainly affects birds but can also affect mammals, including humans. It primarily spreads from infected birds to humans through close contact with birds or contaminated environments, such as in backyard poultry farm settings and at markets where birds are sold.
Global Influenza Programme - World Health Organization (WHO)
Global Influenza Programme. Vaccination is the most effective way to prevent infection and severe outcomes caused by influenza viruses. Development and production of influenza vaccines, planning for their supplies and use as well as provision of other respective health care resources are essential components of a comprehensive seasonal and ...
How can I avoid getting the flu? - World Health Organization (WHO)
Jan 20, 2020 · The best way to avoid getting the flu is to get the flu vaccine every year. Influenza viruses evolve constantly, and twice a year WHO makes recommendations to update the vaccine compositions. For the 2016-2017 northern hemisphere influenza season, the vaccine formulation was updated in February 2016 to contain two type A viruses (H1N1 and H3N2 ...
Influenza (seasonal) WPRO - World Health Organization (WHO)
Oct 2, 2024 · Influenza (seasonal) A respiratory illness that spreads easily. 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 infected person’s mouth or nose in droplets when they speak, cough and sneeze.