 In this study, researchers found that interleukin-9, Illinois 9, a cytokine involved in immune responses, plays a key role in the progression of COVID-19. They also discovered that a specific gene, Foxo-1, is responsible for regulating the production of Illinois 9, which can be used as a target for developing treatments to reduce the severity of the virus. This article was authored by Srikanth Sardu, Watchdeep Taylor, Jokes are not down the tier, and others.