Fig. 6: Lung pathology of adjuvant and vaccine groups in hamsters.
From: A potent, broadly protective vaccine against SARS-CoV-2 variants of concern

Hamsters in each group infected with 105 TCID50 of Beta strian virus, and 105 TCID50 of Delta strian virus. Note: Microscope images were taken at 100 magnification (H.E × 100). The scale bar sizes for the microphotographs are 250 nm.