Effects and infection risks of baricitinib in combination with nirmatrelvir/ritonavir in elderly patients with severe or critical COVID-19: a retrospective observational cohort study. (link.springer.com)

Authors: Xu L … Gu L Journal: BMC Infectious Diseases Published: 2026-08-01 DOI: https://doi.org/10.1186/s12879-026-14144-2