Cytokine elevation in severe and critical COVID-19: a rapid systematic review, meta-analysis, and comparison with other inflammatory syndromes

Review (25 studies;n=1245) found that although cytokine (CK) levels are elevated in patients with severe & critical COVID-19, degree of cytokinaemia is markedly less than in other disorders with elevated CKs, suggesting alternative mechanisms of COVID-19 linked organ dysfunction

Source:

The Lancet Respiratory Medicine