Extended Data Fig. 8: Choroid plexus inflammation in COVID-19.
From: Dysregulation of brain and choroid plexus cell types in severe COVID-19

Immunohistochemical staining for the macrophage activation marker CD68 (brown) in the choroid plexus of patients with COVID-19 and control individuals. Haematoxylin counterstain (blue). Scale bars, 20 μm.