Effectiveness of vaccination in reducing hospitalization and mortality rates in dialysis patients with Omicron infection in China: A single-center study oleh Quanchao Zhang, Caibao Lu, Hongwei Chen, Moqi Li, Xiaoxin Bai, Jing Chen, Danni Li, Yuesha Zhang, Na Lei, Wenchang He, Yiqin Wang, Jinghong Zhao, Ling Nie