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. 2021 Sep 23;8:734838. doi: 10.3389/fmed.2021.734838

Figure 4.

Figure 4

Increased cytokines and chemokines in patients requiring mechanical ventilation before and after tocilizumab administration. The serum levels of IP-10, MCP-1, IFN-α2 and γ in 10 patients with COVID-19 before and after tocilizumab injection were measured using a multiplex cytokine array system. The red line represents the data of patients requiring mechanical ventilation.