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Analysis of SARS-CoV-2 infected PCLS by immunofluorescence staining for SARS-CoV-2 nucleoprotein (NP). PCLS from pig (left panel), hamster (middle panel) and cat (right panel) at 4 days post-infection are shown. SARS-CoV-2 NP is stained in red, nuclei in blue (DAPI). Upper panel—low-magnification pictures (bars 200 µm), lower panel—higher magnifications (bars 50 µm).
