Pediatrics A child with pneumonia shows the following chest X-ray. Which of the following could be the most common underlying causative organism? A Mycobacterium tuberculosis B Hemophilus influenza C Streptococcus pneumoniae D Staphylococcus aureus 💡 Explanation A child with pneumonia shows the following chest X-ray. Which of the following could be the most common underlying causative organism? ✓ Correct Answer: D. Staphylococcus aureus