On May 20, 2020, INOVIO announced the publication of the preclinical study data for IN0-4800, its COVID-19 DNA vaccine, demonstrating robust neutralizing antibody and T cell immune responses against coronavirus SARS-CoV-2.

The study was published in the peer-reviewed journal Nature Communications titled, “Immunogenicity of a DNA vaccine candidate for COVID-19” by INOVIO scientists and collaborators from The Wistar Institute, the University of Texas, Public Health England, Fudan University, and Advaccine.