Viral Vector Services from Vector Engineering and Manufacturing to Cell and Gene Therapy Development Revvity Gene Delivery (formerly SIRION Biotech) supports your cell and gene therapy development process ̶ offering solutions for early R&D all the way to clinical applications, with easy transfer of processes and assays into GMP production. Whether you need small scale viral production or full scale viral vector optimization and manufacture, our expert team has you covered. For additional information, please visit www.sirion-biotech.com.