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. 2022 Apr 1;40(20):2848–2855. doi: 10.1016/j.vaccine.2022.03.064

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Fig. 4 — Infectious virus in lungs at 6 days post exposure for sentinel animals. Infectious virus measured by plaque assay in Vero cells from lung homogenates of immunized hamsters exposed to donors infected with (a) WT D614G (B.1.238) or (b) Alpha VOC (B.1.1.7) SARS-CoV-2.