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Hereditary Angioedema (HAE) Awareness Day took place on the 16th of May

A rare condition, HAE, causes unpredictable swelling attacks that can be life-threatening. Day-to-day, patients live with the ever-present worry: When will the next attack strike?

Learn more from Arianna, an HAE Patient

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.

Vickie, a participant in a clinical trial for end-stage kidney disease (ESKD)

Video: Kidney Disease Patients in a Clinical Trial

Did you know? CSL is investigating a potential treatment to improve the health of people living with end-stage kidney disease…

19 May 2025
A globe with blood vessels being held by two hands - International Vasculitis Day is 15 May

See the Winning Logo: International Vasculitis Day

CSL Vifor supported the initiative, which invited patients to choose a visual identity designed to raise awareness and unite …

15 May 2025
A horizontal DNA strand in pastel colors

Real-world Impact of Gene Therapy

We share a report about a 24-year-old with hemophilia B who recently received gene therapy in California.

13 May 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: CSL employees in Melbourne, Australia

Promising Futures at CSL

CSL on LinkedIn

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LinkedIn
19 May

CSL is delighted to announce the appointment of Mary Oates as the new Chief Operating Officer. In this pivotal role, Mary will lead CSL’s enterprise Operations organization, encompassing manufacturing, quality, supply chain, technical operations, and network strategy. Mary brings a wealth of leadership expertise spanning more than 25 years in the biopharmaceutical industry. We extend our warmest welcome to Mary and look forward to the impact she will make. Click here to learn more about our leadership: https://bit.ly/3SeDdkF #CSL #Leadership #DrivenByOurPromise

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LinkedIn
16 May

On #HAEDay , we’re proud to unite with the hereditary angioedema \(#HAE \) community in raising awareness of this rare and debilitating genetic disease. Our commitment to advancing treatments for HAE remains steadfast. Our ultimate goal is to improve the quality of life for people like Arianna, who courageously navigate the day-to-day fear of experiencing a painful and potentially life-threatening swelling attack. Together, we can drive innovation and work towards a future where those affected by HAE can live without fear of attacks. Read more of Arianna’s experience with HAE and her hopes for the future of HAE treatment: https://lnkd.in/eT9XUEjU #CSL

LinkedIn
15 May

🌎 Today, on International Vasculitis Day \(IVD\), we are happy to celebrate a major step forward in raising global awareness for vasculitis: the introduction of the first-ever official logo for IVD. This new visual identity, developed by Vasculitis International and chosen by the global patient community, marks a significant milestone in amplifying the visibility of this rare and complex group of diseases — and we are proud to have supported this important initiative. See the logo here https://lnkd.in/eVus29X3 At CSL, we understand that living with ANCA-Associated Vasculitis \(AAV\), a type of rare and severe vasculitis, is about far more than managing a medical condition. It’s about navigating a journey marked by uncertainty and challenges — many of which remain invisible. That’s why our commitment goes beyond developing treatments. We believe true innovation is only possible when we walk alongside patients and truly listen to their voices. Through initiatives like the Vasculitis Together, and hand-in-hand with patients, advocates, and partners worldwide, we are driving forward progress — because behind every innovation, there is a human story that matters. On this important day, we invite you to hear directly from AAV patients Catherine and Shanali — voices that inspire all of us in CSL to push forward. Today, we reaffirm our promise: We see you. We hear you. We stand with you. Learn more on AAV https://lnkd.in/eM5Tn-8C #VasculitisDay #AAVAwareness #HolisticCare #LifeWithAAV #IVD2025

LinkedIn
14 May

Today, on IgAN Awareness Day, we stand with everyone affected by IgA nephropathy — a rare, chronic kidney disease that can ultimately lead to kidney failure. Also known as Berger’s disease, IgAN impacts approximately 2.5 in 100,000 people per year worldwide. Its early symptoms are often subtle or absent, which means many live with the condition for years before receiving a diagnosis. While it can affect anyone, IgAN is most commonly diagnosed in young adults between their teens and late 30s — often just as they're planning their futures. At CSL, we are deeply committed to making a meaningful difference for people living with IgAN. We are proud our innovative treatment for IgAN has been converted from conditional to standard marketing approval in the European Union — a major step forward that will offer new hope to more patients and their families across Europe. But innovation doesn’t stop at treatment. Through initiatives like My Kidney House https://bit.ly/3GSDkjv, we provide patients and caregivers with reliable, easy-to-understand resources to help them better navigate their healthcare journey. Awareness matters. Early diagnosis matters. Innovation matters. And at CSL, we’ll continue to advance science and amplify support — because every person living with IgAN deserves to be seen, heard, and helped. Learn more about how IgAN impacts the kidneys by watching our short explainer video here https://bit.ly/44C34ug? #IgANAwarenessDay #KidneyHealth #KidneyDisease #MyKidneyHouse #CSL

LinkedIn
13 May

Tomorrow’s medical breakthroughs start today. At CSL, research is about making discoveries that lead to impact. Join a team dedicated to shaping the future of medicine. #PromisingFutures #CSL Explore opportunities: https://bit.ly/44w86bC

LinkedIn
12 May

Exemplifying the country’s innovative strength and world-class biotech ecosystem, CSL’s R&D organization in Switzerland, together with sitem-insel AG , AlveoliX and other industry members, hosted an international delegation of global biotech investors, renowned hospitals, research institutions, government agencies, and incubators following their attendance at this year’s #SwissBiotechDay in early May. The visits – with stops in Bern, Zurich, and Valais – were organized by the Switzerland Global Enterprise (S-GE) Network in collaboration with the Swiss Biotech Association and BERNINVEST AG . CSL is a strong strategic player in Switzerland’s thriving biotech ecosystem through their contributions to accelerating translation of promising early research findings into novel treatment options for patients worldwide. #CSL #Bern #Switzerland

LinkedIn
12 May

On International Nurses Day, we recognize the dedication, compassion and expertise of nurses around the world. Their role in patient care is invaluable, especially for those managing rare and serious conditions. At CSL, we see firsthand how nurses provide critical support to patients, from guiding treatment journeys to advocating for better health care access. Today, we thank them for their tireless commitment to improving lives. #InternationalNursesDay

LinkedIn
7 May

Living with ANCA-Associated Vasculitis \(AAV\) changes everything — even when you already know the disease inside out. Shanali, a rheumatologist and an AAV patient herself, shares her powerful story of resilience. For two years, she pushed forward, balancing her medical career and the daily weight of symptoms. But AAV eventually forced her to pause — not just her work, but her life as she knew it. Letting go of control became her turning point. Instead of fighting her symptoms every moment, she focused on what she could create. Through art, she found a way to transform invisible struggles into colors, shapes, and new energy. Today, Shanali reminds us that resilience isn't about never falling — it's about finding new ways to stand back up. Whether through painting, music, cooking, or gardening, having a creative outlet can be a lifeline. Hear her full story here https://bit.ly/4jRkPdW 💙 Thank you, Shanali, for showing what true strength looks like — and for inspiring others to find beauty even in the hardest days. What does resilience mean to you? Share your thoughts with us in the comments below. 👇 #VasculitisDay #AAVAwareness #PatientsVoices #Resilience #LifeWithAAV

LinkedIn
6 May

Did you know? The rare condition hereditary angioedema \(HAE\) causes unpredictable, potentially fatal swelling episodes. Watch this one-minute video to understand what 17-year-old Jack experienced when his throat began to swell. CSL is proud to be an innovator in treatments for HAE and we celebrate #HAEDay \(May 16\) with the entire community of patients and patient families.

LinkedIn
5 May

AAV—Three Letters, Countless Challenges. Let’s Spread Awareness! ANCA-Associated Vasculitis \(AAV\) is a rare autoimmune disease that causes inflammation and damage to small blood vessels throughout the body. It can affect vital organs—including the kidneys, lungs, and nervous system—and if left untreated, it can become life-threatening. As we approach International Vasculitis Day on May 15, let’s take a moment to explore the reality of this complex and often misunderstood disease. To kick things off, let’s see how much you already know:

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