Core Viewpoint - Novavax's Nuvaxovid™ has been approved by the U.S. FDA for the 2025-2026 vaccination season, making it the only protein-based, non-mRNA COVID-19 vaccine available in the U.S. for high-risk adults aged 12 to 64 and seniors aged 65 and older [1][4]. Group 1: Vaccine Approval and Target Population - The FDA approval allows Nuvaxovid to be administered to adults 65 years and older, or individuals aged 12 to 64 with at least one underlying condition that increases their risk for severe COVID-19 outcomes [1][4]. - Novavax plans to collaborate with Sanofi to ensure access to the vaccine for eligible individuals this fall [2]. Group 2: Clinical Data and Efficacy - Clinical and preclinical data indicate that Nuvaxovid is safe and effective against COVID-19, particularly the JN.1 strain, which is responsible for the majority of global infections as of July 2025 [3]. - The vaccine induces immunity across various circulating strains within the JN.1 lineage, including NB.1.8.1, LP.8.1, XFG, XFC, LF.7, and XEC [3]. Group 3: Commercialization and Royalties - Sanofi is leading the commercialization efforts for Nuvaxovid, while Novavax is set to receive ongoing tiered royalties from the vaccine sales [3]. Group 4: Vaccine Composition and Technology - Nuvaxovid is a protein-based vaccine that targets the JN.1 variant, utilizing Novavax's recombinant nanoparticle technology to create copies of the SARS-CoV-2 spike protein [8][9]. - The Matrix-M® adjuvant enhances the immune response and allows for a lower dose of the antigen while maintaining effectiveness [10]. Group 5: Company Overview - Novavax, Inc. focuses on addressing significant health challenges through its expertise in vaccines and technology platforms, including protein-based nanoparticles and the Matrix-M adjuvant [11]. - The company's growth strategy includes optimizing existing partnerships, expanding access to its technology, and pursuing research and development innovations [11].