A 4-week-old term infant presents with fever 38.5 °C and decreased feeding but appears well. There is no focus on examination. What is the most appropriate management strategy?AReassure and send home without investigationsBObtain urine only and treat if positiveCFull septic work-up including blood, urine and CSF cultures and start empiric intravenous antibioticsDGive oral antibiotics and review in 48 hoursEObserve in the emergency department for 6 hours without testsCheck my answer