Influenza is an acute respiratory infection caused by influenza viruses that circulate in all parts of the world. Annually, it is responsible for approximately 1 billion infections worldwide, leading to 3–5 million cases of severe illness and an estimated 290,000 to 650,000 deaths due to respiratory complications.
These staggering numbers highlight the significant global impact of influenza on public health. The widespread nature of the virus means that nearly every corner of the world is affected, making awareness and understanding crucial.
By recognizing the severity and reach of influenza, individuals and communities can better prepare and take preventive measures to reduce the risk of infection and severe outcomes.
