Overview

Flucelvax Tetra is a vaccine used to protect adults and children from 2 years of age against influenza (flu).

Influenza is mainly caused by two kinds of influenza virus, known as influenza A and B. Each of these circulate as different strains and subtypes, which change over time.

Flucelvax Tetra contains proteins from four different inactivated influenza A and B virus strains (type A-H1N1, type A-H3N2 and two type B strains), chosen based on the official recommendation for the annual flu season. 

Flucelvax Tetra is available as an injection in a pre-filled syringe. The recommended dose is one single injection into a muscle (0.5 ml). A second dose should be given at least 4 weeks later to children less than 9 years of age who have not been previously vaccinated against flu.

The vaccine can only be obtained with a prescription and should be used according to official recommendations.

For more information about using Flucelvax Tetra, see the package leaflet or contact your doctor or pharmacist.

Flucelvax Tetra is a vaccine. Vaccines work by ‘teaching’ the immune system (the body’s natural defences) how to defend itself against a disease. Flucelvax Tetra contains proteins from the surface of four different strains of flu virus.

When a person is given the vaccine, the immune system will treat the virus proteins as ‘foreign’ and makes defences against them. If, later on, the vaccinated person comes into contact with the virus, the immune system will recognise the virus proteins and be prepared to attack it. This will help to protect against the disease caused by the virus.

Each year, the World Health Organization (WHO) makes recommendations on which flu strains should be included in vaccines for the upcoming flu season in the northern hemisphere. The composition of Flucelvax Tetra will be updated annually according to WHO and EU recommendations. Historically, seasonal flu vaccines have contained three strains of flu: one influenza A-H1N1 virus, one influenza A-H3N2 virus, and one influenza B virus. Flucelvax Tetra includes an additional B virus strain.

Flucelvax Tetra was effective in adults and children above 2 years of age.

Two main studies in over 5,000 people from 4 years of age found that Flucelvax Tetra stimulated an immune response against influenza that was similar to that of two comparator vaccines, leading to similar levels of protective antibodies in people from 9 years of age. One of the comparator vaccines was Optaflu, a previously authorised vaccine which contains three of the four strains of influenza in Flucelvax Tetra and whose effectiveness in preventing flu was well established. The other vaccine is based on Optaflu but contains the other B strain of Flucelvax Tetra. Together the comparator vaccines contain the four strains of influenza in Flucelvax Tetra.

In children aged from 2 to less than 18 years of age, Flucelvax Tetra was found to reduce the risk of getting flu. In a study in over 4,500 children, compared to a non-influenza vaccine, Flucelvax Tetra reduced the cases of flu: 7.8% of children vaccinated with Flucelvax Tetra got flu compared with 16.2% of those given the non-influenza vaccine.

The most common side effects with Flucelvax Tetra in adults and children 2 years of age and above (which may affect more than 1 in 10 people, depending on age) are pain at the injection site, tenderness at the injection site, reddening of the skin, bruising and hardening at the injection site, headache, tiredness, irritability, change in eating habits or loss of appetite and muscle pain.

Flucelvax Tetra must not be used in people who are hypersensitive (allergic) to any of the components of the vaccine, or to any substances found at trace (very low) levels in the vaccine.

For the full list of side effects and restrictions with Flucelvax Tetra, see the package leaflet.

Flucelvax Tetra is effective at stimulating immune responses against the strains included in the vaccine and preventing influenza illness in adults and children from 2 years of age. The inclusion of two influenza B strains in Flucelvax Tetra can provide a broader protection against influenza B. In terms of safety, side effects with Flucelvax Tetra are similar to those observed with vaccines containing three influenza strains and are mostly mild to moderate in severity.

The European Medicines Agency therefore decided that Flucelvax Tetra’s benefits are greater than its risks and it can be authorised for use in the EU.

Recommendations and precautions to be followed by healthcare professionals and patients for the safe and effective use of Flucelvax Tetra have been included in the summary of product characteristics and the package leaflet.

As for all medicines, data on the use of Flucelvax Tetra are continuously monitored. Side effects reported with Flucelvax Tetra are carefully evaluated and any necessary action taken to protect patients.

Flucelvax Tetra received a marketing authorisation valid throughout the EU on 12 December 2018.

Flucelvax Tetra : EPAR - Medicine overview

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Flucelvax Tetra : EPAR - Risk-management-plan summary

Product information

Flucelvax Tetra : EPAR - Product Information

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Latest procedure affecting product information: R/0040

07/12/2023

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This medicine’s product information is available in all official EU languages.
Select 'available languages' to access the language you need.

Product information documents contain:

  • summary of product characteristics (annex I);
  • manufacturing authorisation holder responsible for batch release (annex IIA);
  • conditions of the marketing authorisation (annex IIB);
  • labelling (annex IIIA);
  • package leaflet (annex IIIB).

Flucelvax Tetra : All Authorised presentations

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Product details

Name of medicine
Flucelvax Tetra
Active substance
A/Darwin/6/2021(H3N2)-like strain (A/Darwin/11/2021, wild type) / A/Wisconsin/67/2022 (H1N1)pdm09-like strain (A/Georgia/12/2022 CVR-167) / B/Austria/1359417/2021-like strain (B/Singapore/WUH4618/2021) / B/Phuket/3073/2013-like virus (B/Singapore/INFTT-16-0610/2016, wild type)
International non-proprietary name (INN) or common name
influenza vaccine (surface antigen, inactivated, prepared in cell cultures)
Therapeutic area (MeSH)
Influenza, Human
Anatomical therapeutic chemical (ATC) code
J07BB02

Pharmacotherapeutic group

influenza, inactivated, split virus or surface antigen

Therapeutic indication

Prophylaxis of influenza in adults and children from 2 years of age.

Flucelvax Tetra should be used in accordance with official recommendations.

Authorisation details

EMA product number
EMEA/H/C/004814
Marketing authorisation holder
Seqirus Netherlands B.V.

Paasheuvelweg 28
1105 BJ Amsterdam
The Netherlands

Opinion adopted
18/10/2018
Marketing authorisation issued
12/12/2018
Revision
15

Assessment history

Flucelvax Tetra : EPAR - Procedural steps taken and scientific information after the authorisation

Flucelvax Tetra-H-C-4814-P46-007 : EPAR - Assessment Report

Flucelvax Tetra-H-C-4814-II-013 : EPAR - Assessment Report - Variation

CHMP post-authorisation summary of positive opinion for Flucelvax Tetra (II-13)

Flucelvax Tetra : EPAR - Public assessment report

CHMP summary of positive opinion for Flucelvax Tetra

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