Optimizing the Care Pathway of Febrile Children Via Capillary C-reactive Protein Assay in Primary Care

Inclusion Criteria: * The patient must be a member or beneficiary of a health insurance plan * Children consulting primary health institutes with fever (temperature ≥ 38°C) requiring CRP testing: * Fever \> 12h in infants aged 3 to 6 months * Fever ≥ 5 days in children over 6 months of age * Fever \>12h regardless of age, and at the time of consultation, the doctor is concerned about the child's general condition, the tolerance of the fever, or doubts about a bacterial focus (e.g. suspicion of pneumopathy, appendicitis, etc.). * No severity criteria necessitating immediate hospitalization * No bacterial infection whose diagnosis is exclusively clinical or identified by other means (e.g. purulent AOM, bacterial angina identified by RDT, etc.). * Child whose parents and child have been informed about the study, and at least one parent has given consent for their child's participation in the study. * Enrolment of the child according to their capacity of discernment (for children aged 12 and over, enrolment is essential). * Child affiliated to or benefiting from a health insurance scheme Exclusion Criteria: * The subject is participating in a category 1 interventional study, or a study with drug or medical device * Premature infants under one year of age * Immunosuppression * Sunstroke * Chronic infection * Malignant pathology * Autoimmune pathology * Sickle cell disease * Child with a central catheter