- 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
- Global Influenza Programme - World Health Organization (WHO)
The Global Influenza Programme (GIP) provides Member States with strategic guidance, technical support and coordination of activities essential to make their health systems better prepared against seasonal, zoonotic and pandemic influenza threats to populations and individuals
- Global Influenza Surveillance and Response System (GISRS)
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
- Recommendations announced for influenza vaccine composition for the . . .
The World Health Organization (WHO) today announced its recommendations for the viral composition of influenza vaccines for use in the 2026 influenza season in the southern hemisphere The announcement was made at an Information Meeting after a 4-day Consultation on the Composition of Influenza Virus Vaccines
- 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
- Avian influenza A(H5N1) virus - World Health Organization (WHO)
Global Influenza Programme We provide Member States with strategic guidance, technical support and coordination of activities essential to make their health systems better prepared against seasonal, zoonotic and pandemic influenza threats to populations and individuals
- History of influenza vaccination - World Health Organization (WHO)
What is influenza? We know now that influenza, or flu, is caused by a virus – but for many years it was thought to be caused by a bacterial infection In 1892, German scientist Richard Pfeiffer isolated a small bacterium from the noses of patients with flu, naming it ‘bacillus influenzae’ Early attempts at a vaccine during the 1918 influenza pandemic were based on this understanding
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