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NVX-CoV2373 + NVX-CoV2540

Novavax · Phase 3 active Small molecule

A bivalent recombinant protein vaccine that elicits immune responses against both the original SARS-CoV-2 strain and the Omicron variant to prevent COVID-19.

A bivalent recombinant protein vaccine that elicits immune responses against both the original SARS-CoV-2 strain and the Omicron variant to prevent COVID-19. Used for Prevention of COVID-19 in adults (Phase 3 development).

At a glance

Generic nameNVX-CoV2373 + NVX-CoV2540
Also known asPrototype/BA.5 Bivalent Vaccine
SponsorNovavax
Drug classRecombinant protein vaccine
TargetSARS-CoV-2 spike protein (original strain and Omicron variant)
ModalitySmall molecule
Therapeutic areaImmunology / Infectious Disease
PhasePhase 3

Mechanism of action

NVX-CoV2373 and NVX-CoV2540 are recombinant nanoparticle vaccines expressing spike proteins from the original SARS-CoV-2 strain and Omicron variant, respectively. When administered together, they stimulate both humoral and cellular immune responses to provide broader protection against multiple circulating variants of SARS-CoV-2.

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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