Send us Fan Mail Dr. Lyubina Yankova, hospitalist at Yale, presents findings from a large retrospective multi-center analysis across 106 sites examining whether the combination of procalcitonin and C-reactive protein (CRP) can match or outperform the inflammatory marker combinations currently recommended by the 2021 AAP guidelines for risk-stratifying febrile infants between 8 and 60 days of age. She shares why this combination showed similar sensitivity but higher specificity for detecting i...