IL1R2 and infection: In the network of circRNA-miRNA-mRNA 2 h post-infection, two upregulated circRNAs (novel_circ_0002740 and novel_circ_0004002) related to miRNA novel_127 and dre-miR-1788-5p, and the two miRNAs radiated to their target genes such as Interleukin-1 receptor type 2, a neuroblastoma suppressor of tumorigenicity 1.