Nature Communications (Jun 2022)
SARS-CoV-2 Omicron variant causes mild pathology in the upper and lower respiratory tract of hamsters
Abstract
Since the emergence of SARS-CoV-2 several variants of concerns have been identified, with altered disease progression and transmission dynamics. Here, Armando et al. compare virus spread and pathology in the upper and lower respiratory tracts of Syrian golden hamster after 4 days post infection for VOCs Gamma, Delta and Omicron and find milder pathology for Omicron.