Colds and Flu
Influenza (flu) is a contagious respiratory illness caused by influenza
viruses. It can cause mild to severe illness. Serious outcomes of flu
infection can result in hospitalization and even death. Some people, such
as older people, young children, and people with certain health conditions,
are at higher risk of serious flu complications. The best way to prevent
seasonal flu is to get vaccinated every year.
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