Clara Lehmann, M.D. is a clinician-scientist at the Department of Internal Medicine, University of Cologne, Germany, specializing in infectious diseases with a strong focus on vaccine development and HIV research. Dr. Lehmann has extensive experience in the clinical management of HIV patients and is actively engaged in research and patient care for Post-COVID Syndrome. Her research focuses on understanding the mechanisms of immunopathogenesis in Post-COVID Syndrome through basic immunological studies and conducting phase 2 clinical trials to explore innovative treatment options. Dr. Lehmann has been honored with multiple research awards and grants for her contributions to the field.