Editors' Note: Etiologic Uncertainties Regarding Neurologic Presentations Associated With COVID-19.

Several recent papers in Neurology ® reported cases or series of patients with various neurologic presentations associated with coronavirus disease 2019 (COVID-19), the disease caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). In this special collection, we highlight recent correspondence relating to some of these cases. Several recent papers in Neurology ® reported cases or series of patients with various neurologic presentations associated with coronavirus disease 2019 (COVID-19), the disease caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). In this special collection, we highlight recent correspondence relating to some of these cases.