Initial studies in Wuhan, China showed elevated IL-1β, IL-7, IL-8, IL-9, IL-10, FGF, G-CSF, GM-CSF, IFN-γ, IP-10, MCP-1α and 1β, MIP-1, PDGF, TNF-α, and VEGF concentrations in COVID-19 compared to uninfected individuals. Here, CSF3 is linked to COVID-19.