Science Advances, could help develop Ebselen as a new treatment for COVID-19. The study also provides clues as to which other existing drugs scientists should prioritize in the hunt for effective therapies.The sudden emergence and rapid spread of COVID-19 has catalyzed a significant amount of research into possible treatments and therapies.SARS-CoV-2 bears many similarities to other coronaviruses, such as SARS-CoV, which is responsible for severe acute respiratory syndrome (SARS).