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FluLavalTM-YB

GlaxoSmithKline · Phase 3 active Biologic

FluLaval-YB is a quadrivalent inactivated influenza vaccine that stimulates immune response against four strains of influenza virus.

FluLaval-YB is a quadrivalent inactivated influenza vaccine that stimulates immune response against four strains of influenza virus. Used for Seasonal influenza prevention in adults and children.

At a glance

Generic nameFluLavalTM-YB
Also known asFluLavalTM containing the Yamagata B flu strain, FluLaval®-YB
SponsorGlaxoSmithKline
Drug classInactivated influenza vaccine
ModalityBiologic
Therapeutic areaImmunology / Infectious Disease
PhasePhase 3

Mechanism of action

The vaccine contains inactivated (killed) influenza virus antigens representing two influenza A strains and two influenza B strains. Upon administration, it triggers both humoral (antibody) and cellular immune responses, enabling the body to recognize and neutralize circulating influenza viruses before infection occurs. This provides seasonal protection against the included viral strains.

Approved indications

Common side effects

Key clinical trials

Primary sources

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SourceUsed for
ClinicalTrials.govTrial enrolment, design, endpoints, results

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