Epidemiology and microbiology of late-onset sepsis among preterm infants in China, 2015–2018: A cohort study

Objective: To describe the incidence, case-fatality rate and pathogen distribution of late-onset sepsis (LOS) among preterm infants in China. To investigate risk factors and short-term outcomes associated with LOS caused by Gram-positive bacteria, Gram-negative bacteria and fungi. Methods: This cohort study included all infants born at