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    Vita means life. It's also our platform for sharing the stories of biotech's promise to patients and public health.

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    CSL consists of CSL Behring, CSL Seqirus and CSL Vifor. Learn more by visiting each section.

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    Biotechnology leader CSL Behring offers the broadest range of quality plasma-derived and recombinant therapies in our industry.

    CSL Behring: Rare & Serious Diseases

    Derived from the expression 'securing health for all of us', CSL Seqirus is one of the world's largest influenza vaccine providers.

    CSL Seqirus: Vaccines
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    R&D focuses its expertise on four strategic platforms: plasma protein technology; recombinant technology; cell and gene therapy; and vaccines technology.

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    One of our core values at CSL is Innovation. We support collaborative innovation through the endowment of awards and grants to researchers around the world.

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    As part of our broader sustainability strategy to build a more sustainable future, we've committed to a 40% reduction in absolute Scope 1 and 2 emissions by 2030.

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    Along with our sustainability strategy, CSL’s community contribution framework helps deliver on our Values and support execution of our 2030 strategy.

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    At CSL, Inclusion and Belonging is at the core of our mission and who we are. It fuels our innovation day in and day out.

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    Whether you are early in your college education or recently completed your degree, it's never too soon to consider CSL for your Promising Future!

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Hear from Patients Who Rely on Plasma-Based Medicines

We share a TV news report about a mother and son who have a primary immune deficiency (PI).

Read the Article & Watch the News Report

CSL's 2025 Half Year Financial Results Click here for Full Information including Webcast Recording →   |    Would you like to read our 2024 Annual Report? Click here to view or download the Annual Report →

CSL
CSL Behring
CSL Seqirus
CSL Vifor

CSL. Always Evolving for a Better World.

CSL has delivered biotechnology excellence for over a century. Today, with the combined expertise of CSL Behring, CSL Plasma, CSL Seqirus and CSL Vifor, CSL’s offerings are more diverse than ever to help ensure patients and people everywhere get the treatments they need. We’re always improving so life can, too.

Our Businesses and Products

CSL Behring. Leading the Way in Treating Rare and Serious Diseases.

CSL Behring is a global biotech leader with a broad range of biotherapies for rare and serious diseases including bleeding disorders, immunodeficiencies, hereditary angioedema, neurological disorders and Alpha 1 Antitrypsin Deficiency.

More About CSL Behring

CSL Seqirus. Global Vaccine Leader.

Through the power of innovation, our vision is to advance science to enhance public health worldwide. We stand on the front line with partners in public health discovering, developing, and delivering pioneering vaccine solutions to safeguard people and communities across the world.

More About CSL Seqirus

CSL Vifor. Changing the Game in Iron Deficiency and Nephrology.

The newest member of the CSL family, CSL Vifor is a global leader in iron deficiency and nephrology and is committed to launching the next generation of therapies to truly address the full spectrum of kidney disease, with a focus on dialysis and rare disease.

More About CSL Vifor
CSL Logo The text 'CSL' in bold white all capitals.
CSL Behring Logo The text 'CSL Behring' in bold white.
CSL Seqirus Logo The text 'CSL Seqirus' in bold white.
CSL Vifor Logo The text 'CSL Vifor' in bold white.
CSL Logo

CSL. Always Evolving for a Better World.

CSL has delivered biotechnology excellence for over a century. Today, with the combined expertise of CSL Behring, CSL Plasma, CSL Seqirus and CSL Vifor, CSL’s offerings are more diverse than ever to help ensure patients and people everywhere get the treatments they need. We’re always improving so life can, too.

Our Businesses and Products
CSL Behring Logo

CSL Behring. Leading the Way in Treating Rare and Serious Diseases.

CSL Behring is a global biotech leader with a broad range of biotherapies for rare and serious diseases including bleeding disorders, immunodeficiencies, hereditary angioedema, neurological disorders and Alpha 1 Antitrypsin Deficiency.

More About CSL Behring
CSL Seqirus Logo

CSL Seqirus. Global Vaccine Leader.

Through the power of innovation, our vision is to advance science to enhance public health worldwide. We stand on the front line with partners in public health discovering, developing, and delivering pioneering vaccine solutions to safeguard people and communities across the world.

More About CSL Seqirus
CSL Vifor Logo

CSL Vifor. Changing the Game in Iron Deficiency and Nephrology.

The newest member of the CSL family, CSL Vifor is a global leader in iron deficiency and nephrology and is committed to launching the next generation of therapies to truly address the full spectrum of kidney disease, with a focus on dialysis and rare disease.

More About CSL Vifor

Vita: Original Stories

'Vita' means life. It's also where we share the stories of biotech's promise to patients and public health.

Exploring Primary Immunodeficiency TV report about Traci and Ben

Patients Who Rely on Plasma-Based Medicines

We share a TV news report about a Maryland mother who advocated for her son and then learned she also had a primary immune de…

01 Jul 2025
illustration of a Y-shaped antibody

5 Things to Know About Monoclonal Antibodies

You have heard of antibodies that the human body makes to fight bacteria, viruses and other invaders. But what are monoclonal…

25 Jun 2025
Researcher looks into a microscope

Laying the Groundwork for Cell and Gene Therapy

Bringing transformative, single-dose treatments to patients means working through new questions. CSL Behring’s Diego Sacrista…

17 Jun 2025
CSL scientist in Switzerland

Careers at CSL

We are committed to helping employees fulfill their career aspirations while working in a values-based culture. Are you next?

Pictured: A CSL employee in Bern, Switzerland

Promising Futures at CSL

CSL on LinkedIn

Follow us!
LinkedIn
3 Jul

💡 What if a congress booth could help change the world? At CSL Vifor, we believe every step matters — and that includes how we show up at congresses. This year at ERA, we were proud to be recognized as part of the association’s first-ever Green Meeting Certificate. It’s a clear signal that sustainability is becoming a shared priority across the industry. Our contribution? ✔️ A sustainable, modular, and reusable booth ✔️ A no-paper approach — everything available via QR code ✔️ A mindset of “not built to be destroyed” It’s all part of our long-term strategy to make kidney care — and the planet — better, one step at a time. 👉 Driven by our promise to improve kidney care, we’re committed to rethinking not just treatments, but how we engage. #SustainabilityInAction #CSLVifor #ERA2025 #GreenMeetings #OneStepAtATime #KidneyCare

LinkedIn
2 Jul

Sustainability means more than reducing our footprint. At CSL, it also means expanding access to our therapies, supporting community health programs and partnering with organizations that improve care for those who need it most. Providing better care for brighter days ahead. #PromisingFutures #CSL Join us: https://bit.ly/4knsnnP

We Are CSL

  • Our Businesses and Products
  • Vita: Original Stories
  • Our Leadership
  • Worldwide Locations
  • Corporate Governance

Patients & Public Health

  • Rare & Serious Diseases
  • Iron Deficiency
  • Nephrology
  • Vaccines
  • Patient Support & Organizations

R&D

  • R&D Capabilities
  • Awards, Grants and Initiatives
  • World-Class R&D Network
  • Product Pipeline
  • Clinical Studies at CSL

Sustainability

  • Healthier Environment
  • Healthier Communities
  • Promising Futures
  • Governance
  • Data and Reporting Centre

Careers

  • Inclusion and Belonging
  • How CSL Supports Your Well-being
  • Early Careers at CSL

Investors

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