Influenza, also known as the flu, is a contagious respiratory illness caused
by flu viruses. The flu can cause mild to severe illness and at times may even
lead to death. The flu, which usually comes on suddenly, is different from a cold. People who have the flu often feel some or all of these symptoms1:
Some people may have
vomiting and diarrhea,
though this is more
common in children than adults.
Do your part to help
fight the flu.
a Not everyone with flu will have a fever.
Reference: 1. Flu symptoms & complications. Centers for Disease Control and Prevention website. http://www.cdc.gov/flu/about/disease/symptoms.htm. Updated May 23, 2016. Accessed June 9, 2016.
FLUCELVAX QUADRIVALENT is a vaccine that helps protect against influenza (flu). FLUCELVAX is for people aged 4 and older. Vaccination with FLUCELVAX QUADRIVALENT may not protect all people who receive the vaccine.
You should not get FLUCELVAX QUADRIVALENT if you have had a severe allergic reaction to any of the ingredients in the vaccine.