Inclusion Criteria:  Be a child > 28 days and < 5 years old Be admitted to Kisantu Hospital Have a blood culture sampled upon hospital admission Having a caregiver willing and able to provide written informed consent, which will be requested as soon as possible after screening of the other three eligibility criteria. By consenting with study participation of the child, the caregiver agrees to that the child participates in the study procedures at presentation in the hospital, during hospital admission and during 1 month after discharge.  Exclusion Criteria:  Child died and caregiver left the hospital before enrollment Child and caregiver left the hospital before enrollment