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. 2021 Apr 15;144(9):2696–2708. doi: 10.1093/brain/awab148

Figure 4.

Figure 4

Immunocytochemical staining for CD3+ T cells in COVID-19 brains. (A and C) Sparse perivascular CD3+ T cells in the pons of COVID-19 Patients 27 and 30. (B and D) Sparse CD3+ T cells in the choroid plexus from the lateral ventricle of Patients 27 and 30. (E and F) CD3+ T cell infiltrates around a pontine vessel (E) and in the choroid plexus (F) of Patient 25 with HSV-1 encephalitis; arrows indicate CD3+ T cell infiltrates. All sections are counterstained with haematoxylin. Scale bars = 200 µm.