Fig. 3From: SARS-CoV-2 Omicron variant causes brain infection with lymphoid depletion in a mouse COVID-19 modelNerve cell infection in the brain of an Omicron-infected mouse. Representative IF images for neuron-specific enolase (green; a neuron marker) and viral N protein (red) in the brains of Omicron-infected K18-hACE2 mice with brain infection at 7 dpi. Boxed areas are magnified in the right panels. Scale bar = 200 μm (100×) and 50 μm (400×)Back to article page