CRP and COVID-19: Patients suffering from COVID-19 have abnormal laboratory results, i.e., the levels of inflammatory cytokines-interleukin 6 (IL-6), interleukin 1β (IL-1β), TNF-α, procalcitonin, C-reactive protein (CRP) and angiotensin II are increased, highlighting the role of the inflammatory responses in the disease [16].