A 24-day-old well-appearing infant with fever 38.5°C undergoes evaluation. UA positive leukocyte esterase; blood work reassuring. According to 2021 guidance, best management?AObtain urine and blood cultures; treat for UTI and consider outpatient management with close follow-upBLumbar puncture and empiric IV antibiotics for allCNo testing; observe at homeDAdmit all febrile infants <60 days for IV antibioticsEObtain chest radiograph routinelyCheck my answer