Contact Us

How to contact us

Please contact us to learn more about FLUCELVAX QUADRIVALENT® (Influenza Vaccine).

US Customer Service

Customer service professionals are available Monday-Friday, 8:30 AM - 5:00 PM EDT/EST and can be reached at 855-358-8966. Our offices are closed during major US holidays.

Or you can email us at customerservice.us@seqirus.com. We will send a reply within 2 business days. Response times may be delayed during US holiday periods.

US Medical Communications

To report an adverse event or exposure in pregnancy, please contact us at
855-358-8966. To learn more about reporting side effects, please visit Vaccine Adverse Events Reporting System (VAERS) vaers.hhs.gov.

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IMPORTANT SAFETY INFORMATION

What is FLUCELVAX QUADRIVALENT® (Influenza Vaccine)?

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.

Who should not get FLUCELVAX QUADRIVALENT?

You should not get FLUCELVAX QUADRIVALENT if you have had a severe allergic reaction to any of the ingredients in the vaccine.

IMPORTANT SAFETY INFORMATION

What is FLUCELVAX QUADRIVALENT® (Influenza Vaccine)?

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.

Who should not get FLUCELVAX QUADRIVALENT?

You should not get FLUCELVAX QUADRIVALENT if you have had a severe allergic reaction to any of the ingredients in the vaccine.

Who may not be able to get FLUCELVAX QUADRIVALENT?

Tell your healthcare provider if you:

  • have ever had Guillain-Barré Syndrome (severe muscle weakness) after getting a flu shot
  • have ever fainted after receiving an injection

What if I have a weakened immune system?

Tell your healthcare provider if you have problems with your immune system, as your immune response to the vaccine may be less.

What are the most common side effects of FLUCELVAX QUADRIVALENT?

  • pain or redness where you got the shot
  • headache
  • tiredness
  • muscle aches
  • feeling unwell (malaise)

These are not all of the possible side effects of FLUCELVAX QUADRIVALENT. You can ask your healthcare provider for a complete list of possible side effects.

Ask your healthcare provider for advice about any side effects that concern you. You may report side effects to the Vaccine Adverse Events Reporting System (VAERS) by calling 1-800-822-7967 or by going to http://vaers.hhs.gov.

To report SUSPECTED ADVERSE REACTIONS, contact Seqirus at 1-855-358-8966 or VAERS at 1-800-822-7967 and http://vaers.hhs.gov.

Please see accompanying US full Prescribing Information for FLUCELVAX QUADRIVALENT.