Introduction Flu isn’t just a respiratory problem or a high fever. It’s a contagious illness caused by…
new flu variant
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Influenza, commonly known as the flu, is a contagious respiratory illness caused by influenza viruses. Unlike the…
Introduction Flu isn’t just a respiratory problem or a high fever. It’s a contagious illness caused by…
Influenza, commonly known as the flu, is a contagious respiratory illness caused by influenza viruses. Unlike the…