Microscopy from Scientific Research

In-situ hybridization for SARS-CoV-2 nucleic acid in lung from male K18-hACE2 and PWK x K18-hACE2 mice at 3 and 6 dpi. Scale bars represent 1000 m; scale bars in insets represent 50 m. Biological replicates were examined over at least two experiments and 3 male mice/strain/timepoint were randomly selected for assessment of virus distribution by in-situ hybridization. Images are representative of biological replicates.

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