Feb 28, 2025 · The World Health Organization (WHO) today announced the recommendations for the viral composition of influenza vaccines for the 2025–2026 influenza season in the northern hemisphere. The announcement was made at an information session at the end of a 4-day meeting on the Composition of Influenza Virus Vaccines, a meeting that is held twice annually.

Feb 23, 2024 · The World Health Organization (WHO) today announced the recommendations for the viral composition of influenza vaccines for the 2024-2025 influenza season in the northern hemisphere. The announcement was made at an information session after a 4-day meeting on the Composition of Influenza Virus Vaccines. The meeting is held twice annually, once for the …

During the 1947 flu season, researchers discovered that existing vaccines were ineffective against the flu viruses circulating at the time. To investigate the viruses in circulation, the World Health Organization (WHO) established the Worldwide Influenza Centre in 1948 and the Global Influenza Surveillance and Response System (GISRS) in 1952.

Fact: Several flu viruses are circulating all the time, which is why people may still get the flu despite being vaccinated since the vaccine is specific to one strain. However, being vaccinated improves the chance of being protected from the flu. This is especially important to stop the virus affecting people with vulnerable immune systems.

Feb 24, 2023 · The World Health Organization (WHO) today announced the recommendations for the viral composition of influenza vaccines for the 2023-2024 influenza season in the northern hemisphere.

May 13, 2010 · Two types of influenza vaccine are widely available: inactivated influenza vaccines (IIV) and live attenuated influenza vaccines (LAIV).

Oct 21, 2018 · Influenza can cause severe disease and death, especially in older people, young children, pregnant women and people with long-term health conditions such as diabetes, heart disease or chronic obstructive pulmonary disorder.

Sep 27, 2024 · The World Health Organization (WHO) today announced the recommendations for the viral composition of influenza vaccines for the 2025 influenza season in the southern hemisphere. The announcement was made at an information session after a 4-day meeting on the Composition of Influenza Virus Vaccines. The meeting is held twice annually, once for the …

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.

Oct 25, 2019 · The best way to prevent influenza is by getting vaccinated. As influenza viruses change, a flu shot is needed every year to keep up with the circulating viruses. In the northern hemisphere, the influenza season usually occurs during autumn and winter, and October is an optimal time to receive an influenza vaccination and to start the Campaign.