Viral Vector Services

Patheon Viral Vector Services (VVS) is the world’s largest viral vector manufacturer. As your end-to-end viral vector CDMO partner we support you from process and analytical development to clinical and commercial supply of viral vectors for your cell or gene therapy or vaccine.

Quality is at the core of everything we do. We strive to exceed our clients’ expectations on every project while ensuring regulatory compliance and the highest product quality possible.

What’s more, we’ll work as an extension of your team operating with transparency and flexibility to keep you involved, engaged and well-informed at every stage.


  • With a strong track record in viral vector manufacturing, we offer 20+ years of experience developing processes and producing cGMP viral vectors: AAV, Adenovirus, Lentivirus, HSV, VSV, VEEV and Retrovirus
  • We’ve produced 60+ viral vector products and 250+ cGMP clinical or commercial batches using a variety of manufacturing technologies.


  • Patheon pharma services offers a fully integrated solution for viral vector manufacturing, with a global network of locations to serve your need for development and commercial capabilities. Locations include:
  • Our deep technical and analytical expertise overcome challenges associated with these complex products.
  • Single-use equipment allows maximum flexibility for manufacturing platform, scale and project scheduling while ensuring product quality.

Capabilities and Capacity

  • Continued global expansion of our cGMP-compliant, state-of-the-art, multi-product facilities ensures the support our clients without long queues.
  • Our 1150+ innovative employees are focused on serving the needs of clients and their patients.


  • Quality is at the core of everything we do and we’ve earned the trust of clients around the world.
  • Our Quality Management System is specifically designed to ensure regulatory compliance and the highest product quality possible.

An Extension of Your Team

  • Our collaborative approach keeps clients involved, engaged and well-informed as we strive to exceed their expectations.
  • We operate with transparency and flexibility because every client is unique and each patient matters.


  • We enable emerging biotech and large pharma customers to deliver breakthrough medicines to patients by unleashing the potential of cell and gene therapy.
  • We are uniquely positioned to partner with our clients to drive the innovation in this incredibly fast-growing market to reach even more patients and treat even more indications.

Let us put our deep technical and analytical expertise to work for you. Contact us to learn how we can help you with your viral vector project.

Learn more about Patheon Viral Vector Services (VVS) end-to-end capabilities.

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