IL6 and COVID-19: Tocilizumab acts as an antibody IL-6 receptor inhibitor, resulting in a reduction in undesired inflammatory and autoimmune activities in IL-6, which may negatively impact on patients suffering from SARSCoV-2.64 The progression of COVID-19 involves inflammatory processes related to the IL-6 mechanism.64 As an IL-6 receptor inhibitor, tocilizumab appeared to be a beneficial drug to use in some COVID-19 cases and was suggested by the NIH COVID-19 Treatment Guidelines Panel.51 In the same guideline, another IL-6 inhibitor, sarilumab, is also suggested if tocilizumab is not available.56