A well-appearing 45-day-old infant (29-60 days group) presents with fever 38.6°C (101.5°F). UA negative; ANC, CRP, and procalcitonin are normal. Blood and urine cultures obtained. What is the recommended approach?ANo lumbar puncture; may manage as outpatient with close follow-up if all labs are low-riskBPerform routine lumbar puncture and admit for IV antibioticsCDischarge without any testing or follow-upDGive empiric ampicillin and gentamicin and dischargeEAdmit for 48-hour observation without culturesCheck my answer