Charles River Laboratories and Medigen Vaccine Biologics Corp Collaborate to Advance New Vaccine Development Programs Through Next Generation Sequencing

WILMINGTON, Mass., August 20, 2026--Charles River Laboratories International, Inc. (NYSE: CRL) and Medigen Vaccine Biologics Corp. (MVC) collaborate on the characterization and validation of the virus seed bank for MVC's next-generation multivalent enterovirus vaccine. Charles River will leverage its advanced analytical platforms, including Next-Generation Sequencing (NGS), to support critical steps of Chemistry, Manufacturing, and Controls (CMC) activities for MVC’s next-generation multivalent