Flu Virus Types: Understanding Human Impact Preparing For The Next Pandemic

Includes key facts, definition, symptoms, transmission, seasonal epidemics, effects, prevention, who response. The most common symptoms of influenza (flu) include fever, a dry cough, headache, muscle and joint pain, a sore throat and a runny nose.

New Jan 21, 2026

The injected flu vaccine contains an inactivated virus that cannot give you influenza. The virological data entered into flunet, e.g. 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.

Types of Influenza Viruses Influenza (Flu) CDC

It is characterized by a sudden onset of fever, cough.

If you feel achy or slightly feverish, it is a normal reaction of the immune system to the vaccine, and.

Flu awareness campaign who/europe launched the flu awareness campaign initiative in 2013 as an extension of european immunization week. Number of influenza viruses detected by subtype, are. Influenza, or the flu, is both a seasonal and a pandemic virus. Who fact sheet on influenza:

We provide member states with strategic guidance, technical support and coordination of activities essential to make their health systems better prepared against seasonal, zoonotic. Every year, mainly during the winter season, seasonal influenza infects as many as 1 billion people. Seasonal influenza is an acute respiratory infection caused by influenza viruses which circulate in all parts of the world.