Pages • 7
InfluenzaEssay Preview: InfluenzaReport this essayINFLUENZAInfluenza, commonly called “the flu,” is an illness caused by viruses that infect the respiratory tract. Compared with most other viral respiratory infections, such as the common cold, influenza (flu) infection often causes a more severe illness with a mortality rate (death rate) of about 0.1% of people who are infected.