Last reviewed · How we verify

Afluria Quad

Osivax · Phase 2 active Biologic

Afluria Quad is a quadrivalent inactivated influenza vaccine that stimulates immune responses against four strains of influenza virus.

Afluria Quad is a quadrivalent inactivated influenza vaccine that stimulates immune responses against four strains of influenza virus. Used for Seasonal influenza prevention in adults and children.

At a glance

Generic nameAfluria Quad
SponsorOsivax
Drug classInactivated influenza vaccine
ModalityBiologic
Therapeutic areaImmunology / Infectious Disease
PhasePhase 2

Mechanism of action

The vaccine contains inactivated (killed) virus particles or viral antigens from four influenza strains (two A subtypes and two B lineages), which are administered intramuscularly to induce both humoral and cellular immune responses. This approach helps the immune system recognize and mount a protective response against circulating influenza viruses during the flu season.

Approved indications

Common side effects

Key clinical trials

Primary sources

Every claim on this page is sourced from regulatory or scientific primary sources. See our editorial policy for full methodology.

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

Competitive intelligence

For the full competitive landscape — auto-detected comparators, recent regulatory actions across the set, upcoming PDUFA, patent timeline, sponsor landscape: