ADAMTS2 and COVID-19–associated multisystem inflammatory syndrome in children: Subsequent to our screening of RNA-Seq data, 2 other groups have reported increased gene expression of ADAMTS2 in COVID-19 and MIS-C cases; however, these groups were compared to HC rather than other disease groups.57,58 Similarly, Gruber et al6 reported an increased abundance of CCL20 in patients with MIS-C.