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Flublok® Quadrivalent Influenza Virus Vaccine — Competitive Intelligence Brief
phase 3
Influenza vaccine
Influenza hemagglutinin (HA) antigen
Immunology / Infectious Disease
Biologic
Live · refreshed every 30 min
Target snapshot
Flublok® Quadrivalent Influenza Virus Vaccine (Flublok® Quadrivalent Influenza Virus Vaccine) — Protein Sciences Corporation. Flublok stimulates the immune system to produce antibodies against four strains of influenza virus by presenting recombinant hemagglutinin antigens.
Comparator set (6 drugs)
| Drug | Generic | Sponsor | Phase | Class | Target | Approval / PDUFA |
|---|---|---|---|---|---|---|
| Flublok® Quadrivalent Influenza Virus Vaccine TARGET | Flublok® Quadrivalent Influenza Virus Vaccine | Protein Sciences Corporation | phase 3 | Influenza vaccine | Influenza hemagglutinin (HA) antigen | |
| Anti-H1N1v Vaccine | Anti-H1N1v Vaccine | Institut National de la Santé Et de la Recherche Médicale, France | marketed | Inactivated influenza vaccine | H1N1 influenza virus hemagglutinin and neuraminidase antigens | |
| CSL Influenza Vaccine | CSL Influenza Vaccine | Seqirus | marketed | inactivated influenza vaccine | ||
| H5N1 vaccine (Arepanrix) | H5N1 vaccine (Arepanrix) | Canadian Immunization Research Network | marketed | inactivated split-virion influenza vaccine with adjuvant | ||
| Hualan TIV | Hualan TIV | Sanofi | marketed | Inactivated influenza vaccine | ||
| Influenza Fluzone vaccine | Influenza Fluzone vaccine | La Jolla Institute for Immunology | marketed | inactivated influenza vaccine | ||
| CSL Limited Influenza Virus Vaccine | CSL Limited Influenza Virus Vaccine | Seqirus | marketed | inactivated influenza vaccine |
Recent regulatory actions (last 90 days)
Upcoming PDUFA dates (next 180 days)
Patent timeline (forward window)
Sponsor landscape (Influenza vaccine class)
- GlaxoSmithKline · 8 drugs in this class
- Sanofi Pasteur, a Sanofi Company · 2 drugs in this class
- Seqirus · 2 drugs in this class
- MedImmune LLC · 1 drug in this class
- AstraZeneca · 1 drug in this class
- Novartis · 1 drug in this class
- Protein Sciences Corporation · 1 drug in this class
- ModernaTX, Inc. · 1 drug in this class
- Institute of Vaccines and Medical Biologicals, Vietnam · 1 drug in this class
- Janssen Vaccines & Prevention B.V. · 1 drug in this class
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- Flublok® Quadrivalent Influenza Virus Vaccine CI watch — RSS
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- Flublok® Quadrivalent Influenza Virus Vaccine CI watch — JSON
- Flublok® Quadrivalent Influenza Virus Vaccine alone — RSS
- Whole Influenza vaccine class — RSS
Cite this brief
Drug Landscape (2026). Flublok® Quadrivalent Influenza Virus Vaccine — Competitive Intelligence Brief. https://druglandscape.com/ci/flublok-quadrivalent-influenza-virus-vaccine. Accessed 2026-05-17.
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