A 4-week-old febrile neonate (temperature 38.5 °C) presents to the emergency department. He appears well but has no obvious source of infection. According to RCH febrile child guidelines, what is the most appropriate management?ADischarge with safety-net advice and review in 24 hoursBUrine sample only and oral antibioticsCFull septic workup and admission for IV antibioticsDBlood culture only and oral antibioticsELumbar puncture only and discharge if normalCheck my answer