Fig. 2 (IMAGE) Osaka University Caption Supplementation of D-alanine mitigated the severe body weight reduction in Influenza A virus (IAV) infection mice model, and improved survival in COVID-19 mice model. Credit 2022, Tomonori Kimura, D-Alanine as a biomarker and a therapeutic option for severe influenza virus infection and COVID-19, Biochimica et Biophysica Acta - Molecular Basis of Disease with modification Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted. License CC BY-NC-ND 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.