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Embryo Infection by Reporter Virions Pseudotyped with the S protein of SARS-CoV-2. Sample confocal MIP images of embryos infected with (A) HIV- based or (B) VSV∆G -based reporter virions pseudotyped with the S protein from SARS-CoV-2. Pink arrowheads point to cells displaying robust signal. Scale bars represent 20 µm. Representative images from independent biological replicates (n = 15 embryos with HIV- based virion, n = 7 embryos with VSV∆G -based virion).
