Prevalence of Bacterial Infection in Febrile Infant 61–90 Days Old Compared With Younger Infants

Background:The objective is to compare the prevalence of serious bacterial infection (SBI) and invasive bacterial infection (IBI) in febrile infants <60 days of age and in those between 61 and 90 days.Methods:Prospective registry-based cohort study including all the infants ≤90 days with fever witho