Understanding early signs of Influenza: Symptoms, Transmission, and Prevention What is Influenza? Influenza, commonly referred to as the flu, is a highly contagious viral infection that primarily targets the respiratory system, causing significant morbidity and mortality globally each year. The influenza virus is characterized by its ability to mutate rapidly, resulting in various strains that can vary widely in severity and virulence. There are four distinct types of influenza viruses: A, B, C, and D, with types A and…
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