When Is Flu Season 2024-24. More information about flu vaccine supply is available. Seasonal influenza is an acute respiratory infection caused by influenza viruses which circulate in all parts of the world.
This updated guidance includes strategies to protect people at highest risk of getting seriously ill and provides actionable recommendations for people with common. The information presented in this update is based on data provided by ministries of health and national influenza centers of member states to the pan.