GeoVax Highlights New Study Demonstrating the Strength of Multi-Antigen COVID-19 Vaccine Candidates

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Peer-Reviewed Data Reinforces GeoVax's Multi-Antigen Strategy With GEO-CM02 and Supports Advancement of GEO-CM04S1 Clinical Programs

ATLANTA, GA - April 16, 2025 (NEWMEDIAWIRE) - GeoVax Labs, Inc. (Nasdaq: GOVX), a clinical-stage biotechnology company developing human vaccines and immunotherapies against infectious diseases and cancer, today announced the publication of a peer-reviewed article in Vaccines (MDPI) titled "Preclinical Evaluation of a Multi-Antigen SARS-CoV-2 Vaccine Candidate GEO-CM02." The study provides compelling preclinical evidence of the benefits of GeoVax's multi-antigen COVID-19 vaccine approach, utilizing the well-recognized MVA (Modified Vaccinia Ankara) platform.

The findings further validate the approach taken by GeoVax with its lead clinical candidate, GEO-CM04S1, currently being evaluated in multiple Phase 2 clinical trials, especially focused on addressing the current unmet COVID-19 vaccine needs of immunocompromised populations.

Dr. Mukesh Kumar, lead author and Associate Professor at Georgia State University, stated: "We are excited to share these compelling results based upon our collaboration with GeoVax. This study highlights the potential of multi-antigen vaccines to overcome the limitations of first-generation, spike-only vaccines. GeoVax's GEO-CM02 vaccine demonstrates promising protection against SARS-CoV-2 variants, offering a strategy that may sustain vaccine effectiveness as the virus continues to evolve."

The publication supports the rationale for advancing next-generation COVID-19 vaccines capable of delivering broader, more durable immune responses. Notably, the study demonstrated that GEO-CM02 conferred superior protection in animal models against multiple SARS-CoV-2 variants compared to spike-only vaccines.

David Dodd, Chairman and CEO of GeoVax, commented: "GeoVax has an active, advancing clinical program in support of demonstrating the critically important value of GEO-CM04S1, addressing the limitations of first-generation COVID-19 vaccines: (a) more robust immune protection, (b) increased durability, and (c) providing protection to those immunocompromised individuals - over 40 million adults in the U.S. and more than 400 million worldwide - who do not respond adequately to first-generation vaccines. In addition, GEO-CM02 provides encouraging demonstrative data for future multi-antigen COVID-19 vaccines, especially in providing protective immunity against future variants."

These results come at a time when public health leaders are emphasizing the importance of evolving beyond single-antigen vaccine strategies. Last week, U.S. Health and Human Services Secretary Kennedy acknowledged the critical value of multi-antigen vaccines as part of the next phase of pandemic preparedness and biodefense.