woman in black tank top and white face mask sitting beside woman in maroon sleeveless shirt

In this 2020 photograph, captured inside a clinical setting, a health care provider places a bandage on the injection site of a patient, who just received an influenza vaccine. The best way to prevent seasonal flu illness, is to get vaccinated every year. Centers for Disease Control and Prevention (CDC) recommends everyone 6-months of age and older get a flu vaccine every season.