IL6 and COVID-19: A burst of pro-inflammatory cytokines such as IL-6, TNF-α, G-CSF, IL-1β, and IL-7 secretion caused by the SARS-CoV-2 invasion and excessive inflammation in the lungs, often referred to as a cytokine storm, is thought to be a major cause of death in patients with COVID-19 (Hunter, 2020).