Influenza is commonly called the "flu." Influenza is a highly contagious respiratory illness caused by a virus that infects the nose, throat and lungs. It can cause moderate to severe illness. It is not what people sometimes refer to as the “stomach flu” where there is primarily vomiting and diarrhea. That is a gastrointestinal virus, not respiratory.
There are several flu vaccine options for the 2020-2021 flu season:
Find additional information on flu vaccine on the Centers for Disease Control and Prevention's website.
Everyone 6 months and older should get a yearly flu shot! Certain people are at greater risk for serious complications and are especially encouraged to get a flu vaccine.