CSL Seqirus Employee Directory
Pharmaceutical ManufacturingEngland, United Kingdom1001-5000 Employees
CSL Seqirus is a pharmaceutical manufacturing company formed in 2015 through the merger of bioCSL and the influenza vaccines business formerly owned by Novartis. As a CSL business unit, it ranks among the world's leading producers of influenza vaccines, with manufacturing sites in the United States, the United Kingdom, Germany, and Australia. It is a major component of CSL's global operations and is described as the second-largest influenza vaccine company worldwide, with a footprint that spans more than 20 countries and a sizable, multinational workforce. Based in Maidenhead, England, CSL Seqirus markets vaccines and specialty pharmaceutical products in Australia and New Zealand and manufactures antivenoms and Q fever vaccines for national programs. The company positions itself as a global partner in pandemic preparedness and influenza control, supported by extensive research and production capabilities across its sites. In 2023, it published data from three studies examining the clinical, public health, and economic value of cell-based and adjuvanted seasonal influenza vaccines.
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