Pediatrics A child presents with complaints of cough. Characteristic inspiratory whoop present. He is not immunised. Sample for investigation is: A Nasopharyngeal swab B Tracheal aspiration C Cough plate culture D Sputum culture 💡 Explanation A child presents with complaints of cough. Characteristic inspiratory whoop present. He is not immunised. Sample for investigation is: ✓ Correct Answer: A. Nasopharyngeal swab