Namely, CD5, CD8A, CD6 and CD244, C-C and C-X-C motif chemokines (CXCL5 CXCL6, MCP-4, and CCL20), as well as CD40, PDL-1, CUB domain-containing protein 1 (CDCP1) and interleukin-12B (IL-12B) were elevated in the late infection group compared to the unexposed group (Table 4 & Fig. 2C). Here, CD6 is linked to infection.