What is Flublok Quadrivalent?

Flublok Quadrivalent is a vaccine indicated for immunization against disease caused by influenza A and B strains contained in the vaccine. Flublok Quadrivalent is given to people 18 years of age and older.

IMPORTANT SAFETY INFORMATION

Flublok Quadrivalent should not be given to anyone who has had a severe allergic reaction to any component of the vaccine.

Tell your health care provider if you have ever had Guillain-Barré syndrome (severe muscle weakness) after a previous influenza vaccination.

If Flublok Quadrivalent is given to people with a compromised immune system, including those receiving therapies that suppress the immune system, the immune response may be lower than expected.

Vaccination with Flublok Quadrivalent may not protect all people who receive the vaccine.

For Flublok Quadrivalent, in adults 18 through 49 years of age, the most common side effects were tenderness, and/or pain where you got the shot; headache, tiredness, muscle aches, and joint pain. In adults 50 years of age and older, the most common side effects were tenderness, and/or pain where you got the shot; headache, and tiredness. Other side effects may occur.

MAT-US-2020975-v1.0-11/2020