S-268019-b Vaccine TrialsS-268019-b Vaccine TrialsCOVID-19 vaccine.Promising results from Japan's newInfectious Diseases (except HIV/AIDS)Japan's New Vaccine S-268019-b Shows Promise Against COVID-19A new vaccine generates strong immune response amidst ongoing COVID-19 challenges.Jun 7, 2025 ― 6 min read