CCL2 and viral encephalitis: Meanwhile, a study included eight SFTS cases with suspected encephalitis/encephalopathy reported that six cases were positive for SFTSV RNA in cerebrospinal fluid examination on days 3–7 of the disease course, along with high levels of monocyte chemotactic protein 1 (MCP-1) and IL-8 in cerebrospinal fluid when compared with those cytokines of serum (Park et al., 2018).