This is highlighted by the finding that in the blood of patients infected with SARS-CoV-2, there was a marked increase in interleukin 1β (IL-1β), interferon γ (IFN-γ), interferon-inducible protein 10 (IP-10), and monocyte chemoattractant protein 1 (MCP-1), as well as IL-4 and IL-10 when compared to that of SARS patients (Zhang et al. 2020b). The gene discussed is CCL2; the disease is severe acute respiratory syndrome.