Pathogenicity, transmissibility, and fitness of SARS-CoV-2 Omicron in Syrian hamsters. - Shuofeng Yuan; Zi-Wei Ye; Ronghui Liang; Kaiming Tang; Anna JinxiaZhang; Gang Lu; Chon Phin Ong; Vincent Kwok-Man Poon; Chris Chung-Sing Chan; Bobo Wing-Yee Mok; Zhenzhi Qin; Yubin Xie; et al. (Science (pre-March 2025), 2022)