IL6 and COVID-19: A prospective case–control study showed that women with symptomatic COVID-19 at any point during the third trimester of pregnancy had higher levels of the growth factors EGF, G-CSF, and HGF, the pro-inflammatory cytokines IL-1β and IL-6, and the chemokines IP-10/CXCL10, MCP-1, and MIG in peripheral blood samples collected shortly after delivery compared to asymptomatic cases [111].