Levels of inflammatory cytokines/chemokines, including Eotaxin, G-CSF, Gro-α, CXCL-10, RANTES (CCL5), IL-2Rα, MCP-1, and SCGF-b, were found to be highly elevated in plasma samples from COVID-19 patients within a week post-symptoms as compared to healthy controls (S5 Table). Here, CCL2 is linked to COVID-19.