Influenza, commonly called the flu, is caused by the influenza virus, which infects the respiratory system. Unlike other viral respiratory infections like the common cold, the flu can be life-threatening.
Influenza 101
Written by LVMC Staff on
Influenza, commonly called the flu, is caused by the influenza virus, which infects the respiratory system. Unlike other viral respiratory infections like the common cold, the flu can be life-threatening.