BEVERLY, Mass. – May 12, 2022Akston Biosciences Corporation, a developer of new classes of biologic therapeutics, announced today it dosed the first set of volunteers in an open-label study of AKS-452, its protein subunit COVID-19 vaccine, as a booster. The Phase II booster study is designed to investigate the response of the immune system in up to 600 volunteers who have previously been vaccinated with EMA-registered vaccines from Pfizer, Moderna, Johnson & Johnson (Janssen) and AstraZeneca.