Comparative infection and pathogenesis of SARS-CoV-2 Omicron and Delta variants in aged and young Syrian hamsters
N. Storm, N. Crossland, L. McKay, A. Griffiths
This study compares SARS-CoV-2 Delta and Omicron variants' infection dynamics and pathogenesis in aged and young Syrian hamsters, finding Omicron causes less severe disease with no weight loss and reduced tissue damage.
bioRxiv · Mar 2, 2022 · PreprintMicrobiology