Oct 21, 2018 · The influenza vaccine is the best tool we have for preventing influenza and reducing the risk of serious complications and even death. The effectiveness of the vaccine can vary from year to …

Sep 26, 2025 · 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 …

Processes Why influenza vaccine viruses need to be updated? Influenza vaccination is currently the principal means of reducing or counteracting influenza mortality and morbidity burden in the …

Fact: The injected flu vaccine contains an inactivated virus that cannot give you influenza. If you feel achy or slightly feverish, it is a normal reaction of the immune system to the vaccine, and generally …

Nov 30, 2025 · Seasonal influenza (‘the flu’) is an acute respiratory infection caused by influenza viruses that circulate globally and year-round. It can cause illness ranging from mild to severe, sometimes …

Feb 28, 2025 · Overview 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. …

Feb 28, 2025 · Antigenic and genetic characteristics of zoonotic influenza A viruses and development of candidate vaccine viruses for pandemic preparedness in the 2025-2026 northern hemisphere …

Sep 18, 2025 · Both FluMist nasal flu vaccine and the flu shot offer good protection against influenza when vaccines are well-matched to the year’s circulating virus.

Nov 21, 2025 · The Pfizer flu vaccine uses the same type of messenger RNA science that was used in the company’s COVID-19 shot. More than 18,000 adults took part in the Phase 3 trial during the …

Sep 18, 2025 · The flu shot is usually given as an intramuscular (IM) needle injection into the upper, outer arm muscle called the deltoid muscle in people 3 years of age and older. The preferred …