IL6 and Methicillin-Resistant Staphylococcus Aureus Pneumonia: IL‐6 receptor antagonists such as tocilizumab are ineffective in mice (Lokau, Kleinegger, et al., 2020; Lokau, Waetzig, et al., 2020; Okazaki et al., 2002), so we utilized IL‐6 knockout mice to explore how IL‐6 impairment affects post‐influenza MRSA pneumonia.