GeoVax Labs, Inc. (GeoVax) is a clinical-stage biotechnology company. The Company is engaged in developing human vaccines against infectious diseases using its modified vaccine Ankara-virus-like particles (MVA-VLP) vaccine platform. The Company's platform supports in vivo expression of non-infectious virus-like particles (VLPs) from the cells of the person receiving the vaccine. The Company's development programs are focused on vaccines against Human Immunodeficiency Virus (HIV), Zika virus and hemorrhagic fever viruses (Ebola, Marburg and Lassa Fever), as well as for use in cancer immunotherapy. The Company's clinically advanced vaccine development program is a (deoxyribonucleic acid (DNA)/MVA) vaccine regimen designed to protect against the clade B subtype of the HIV virus. The Company is developing a Tetravalent Vaccine (TV) utilizing its MVA-VLP platform to address the unmet need for a product that can respond to future filovirus epidemics.