<qa>  What is the first dose of antibiotics in ED?The first dose of antibiotics will be commenced in ED. For children assigned to hospital ward treatment, the child will be transferred to the ward and the IV infusion continued. Children assigned to the HITH will complete their first dose in ED before going home. The management after this point will be as per usual practice. The responsible ward doctor will review and make all management decisions for patients admitted to the ward whereas the HITH registrar will review the patients on HITH. The research assistant RA a paediatric registrar will meet with the child and their parents within 24 hours of consent being obtained to answer any further questions parents or participants may have about the study. 