CXCL8 and infection: Indeed, our results highlighted that this trio of cytokines is significantly higher in convalescent patients that developed PASC at six months post-infection when compared to non-PASC or HC (p = 0.043 and p < 0.0001 for IL-6 and p = 0.049 and p < 0.0001 for IL-8 compared to non-PASC and HC, respectively; Fig. 8A, B).