Original Research

Old Age is an Independent Risk Factor for Pneumonia Development in Patients with SARS-CoV-2 Omicron Variant Infection and a History of Inactivated Vaccine Injection

Tong X, Huang Z, Zhang X, Si G, Lu H, Zhang W, Xue Y, Xie W

Infection and Drug Resistance 2022, 15:5567-5573

Published Date: 21 September 2022