Fig. 4: Immunoperoxidase staining for SARS-CoV-2 viral proteins reveals endothelial cell immunoreactivity at the level of the brainstem.
From: Detection of SARS-CoV-2 viral proteins and genomic sequences in human brainstem nuclei

a SARS-CoV-2 spike protein immunohistochemistry revealing endothelial cell reactivity in a leptomeningeal vessel of the medulla oblongata. b SARS-CoV-2 nucleocapsid protein immunohistochemistry in a leptomeningeal vessel in the cerebellum. c, d SARS-CoV-2 spike protein immunohistochemistry revealing endothelial cell immunoreactivity in the CNS parenchyma.