Seasonal influenza is commonly referred to as “the flu.” It is a contagious respiratory illness caused by viruses that infect the nose, throat, and lungs. There are two main types of influenza viruses: A and B. Each type includes many different strains that tend to change from year to year. The flu spreads mainly from person to person by droplets from the nose or throat that are released when an infected person coughs or sneezes. The best way to prevent the flu is to get vaccinated every year.
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How can I prevent a flu outbreak?
What should I do if there is one?
