Key points: -New strategies for management of febrile infants depending on age (1-3 weeks, 3-4 weeks, or 4-8 weeks) -Inflammatory markers like CRP and procalcitonin help to determine if LP is needed in older patients. -Learn about common bugs that cause infection in infants and the antibiotics we use to treat them -Observation of febrile infants is now reduced from 48 hours to 24-36 hours

Supplemental information: AAP guidelines 2020: https://pediatrics.aappublications.org/content/148/2/e2021052228 Yale Observation Scale Score in febrile infants 60 days and younger: https://publications.aap.org/pediatrics/article/140/1/e20170695/37958/The-Yale-Observation-Scale-Score-and-the-Risk-of