Prof. Dr Othmar Moser, head of the division Exercise Physiology & Metabolism at the University of Bayreuth, has been awarded the 2021 Langerhans Prize of the Austrian Diabetes Society (OEDG). On 20 November 2021, he accepted the prize of € 10,000 at the OEDG annual general meeting in Salzburg. Recently, he and his research team studied the immune response of people with diabetes after COVID-19 vaccination. The results underline the importance of booster vaccinations for older people with diabetes, especially in the case of impaired kidney function.