Fig. 1. Naked mRNA Vaccine (IMAGE) Innovation Center of NanoMedicine Caption Top Left: Distribution of vaccines, "Naked mRNA" and "mRNA cloaked in a lipid coat." Bottom Left: Lung tissues in unvaccinated and vaccinated mice after SARS-CoV-2 challenge. Right: Schematic diagram illustrating jet injection of a "Naked mRNA" vaccine. Credit Satoshi Uchida Usage Restrictions Use for media coverage only License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.