Influenza (flu) is a contagious respiratory illness caused by influenza viruses. It can cause mild to severe illness. Flu can also result in serious outcomes such as hospitalization or death. Older adults, young children and people with certain health conditions are at high risk for serious complications from flu. The best way to prevent the flu is by getting vaccinated each year.
This recommendation for annual vaccination means that health care providers should remain up-to-date with their knowledge of influenza vaccination and practices. This video from the Centers for Disease Control and Prevention addresses frequently asked questions (FAQs) about influenza (flu) vaccine storage, handling, and administration recommendations and best practices.