Positive Retrospective SARS-CoV-2 Testing in a Case of Acute Respiratory Distress Syndrome of Unknown Etiology.

Figure 3

(a) Lung H&E 4x (scale bar: 600 μm) with diffuse alveolar hemorrhage and alveolar fibrin. (b) SARS-CoV-2 ISH 4x (scale bar: 50 μm). (c) SARS CoV-2 ISH 40x (scale bar: 50 μm). (d) Heart H&E 20x E: Heart SARS-CoV-2 ISH 20x (scale bar: 200 μm). (f) Heart SARS CoV-2 ISH 40x (scale bar: 50 μm). Black arrows: positive antisense SA RS-CoV-2 RNA probe red signal.

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