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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 ...
Nov 13, 2019 · The most common symptoms of influenza (flu) include fever, a dry cough, headache, muscle and joint pain, a sore throat and a runny nose.
Jul 5, 2024 · 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.
Aug 20, 2024 · FluNet Summary. This content was last updated on 20 August 2024. National Influenza Centres (NICs) and other national influenza laboratories from 131 countries, areas or territories reported data to FluNet for the time period from 13 May 2024 to 26 May 2024* (data as of 21/06/2024 01:13:51 PM UTC).
May 16, 2024 · What is avian influenza? 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 ...
Dec 25, 2021 · In the week commencing 13 December the number of flu cases (caused by the influenza virus) detected in the WHO European Region was above what we would normally expect to find in the population for the second week in a row, which indicates the so-called flu season epidemic has started.In any given year 5–15% of the population is affected by influenza, leading to 3–5 million cases of severe ...
Influenza (flu) is a contagious respiratory illness caused by influenza viruses. It can cause mild to severe illness. The virus is transmitted easily from person to person via droplets. Influenza tends to spread rapidly in seasonal epidemics. Infection usually lasts for about a week, and is characterized by sudden onset of high fever, aching ...
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 ...
Global influenza surveillance has been conducted through WHO's Global Influenza Surveillance and Response System (GISRS) since 1952. GISRS is a system fostering global confidence and trust for over half a century, through effective collaboration and sharing of viruses, data and benefits based on Member States’ commitment to a global public health model. The mission of GISRS is to protect ...
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), and a type B virus.
