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NVX-CoV2373 + NVX-CoV2515
A bivalent recombinant protein vaccine that stimulates immune responses against both the original SARS-CoV-2 strain and the Omicron variant to prevent COVID-19.
A bivalent recombinant protein vaccine that stimulates immune responses against both the original SARS-CoV-2 strain and the Omicron variant to prevent COVID-19. Used for COVID-19 prevention in adults (Phase 3 development).
At a glance
| Generic name | NVX-CoV2373 + NVX-CoV2515 |
|---|---|
| Also known as | Prototype/BA.1 Bivalent Vaccine |
| Sponsor | Novavax |
| Drug class | Recombinant protein vaccine |
| Target | SARS-CoV-2 spike protein (original strain and Omicron variant) |
| Modality | Small molecule |
| Therapeutic area | Immunology / Infectious Disease |
| Phase | Phase 3 |
Mechanism of action
NVX-CoV2373 is a recombinant nanoparticle vaccine expressing the spike protein of the original SARS-CoV-2 strain, while NVX-CoV2515 expresses the spike protein of the Omicron variant. Together, this bivalent formulation aims to broaden immune coverage against multiple circulating variants of concern, enhancing both antibody and T-cell responses to reduce infection and severe disease risk.
Approved indications
- COVID-19 prevention in adults (Phase 3 development)
Common side effects
- Injection site pain
- Fatigue
- Myalgia
- Headache
- Fever
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.
| Source | Used for |
|---|---|
| ClinicalTrials.gov | Trial 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:
- NVX-CoV2373 + NVX-CoV2515 CI brief — competitive landscape report
- NVX-CoV2373 + NVX-CoV2515 updates RSS · CI watch RSS
- Novavax portfolio CI