Paediatricsmiddle twist
A 9-week-old girl is brought to a regional emergency department with three weeks of cough. Her mother describes bouts of coughing that leave her red in the face and are often followed by vomiting; between bouts she feeds and settles normally. She is afebrile, the chest is clear and the chest radiograph is normal. Her mother declined vaccination during the pregnancy and the baby has had no immunisations. You are about to collect a nasopharyngeal aspirate. Which one of the following precautions should be applied while she is in the department?