Further, it has been shown that the urine of COVID-19 patients contains increased levels of proinflammatory cytokines like IL-6, IL-8, and CXCL-10, and high urinary IFN-γ upon hospital admission proved to be a positive predictor of AKI in COVID-19 patients [96,97,98]. Here, CXCL8 is linked to COVID-19.