Urgent Bordetella PCR in infants under 3 months, a useful tool in the Pediatric Emergency Department.

Introduction: Whooping cough in patients aged under 3 months has higher rates of morbimortality. Hospitalization and treatment with azithromycin is generally recommended. Many patients with cough without other signs of alarm, are admitted and started antibiotic therapy until a result of Bordetella-PCR is available.