ESR1 and COVID-19: Due to the high ESR and CRP levels (Figure 2), as well as the presence of symptoms, a grand round was organized with the participation of a neurologist, a subspecialist of the intensive care unit, an infectious disease specialist, three psychiatrists, and a pulmonologist and then a CSF analysis and a MRI of the brain were performed once again in order to rule out the neuromedical causes particularly AE, and coronavirus disease 2019 (COVID‐19) (Figure 3A,B).