system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
A 2-year-old girl is brought to the emergency department for evaluation of fever, poor feeding, and cough that began after she returned with her family from a trip to Mexico 1 week ago. Her temperature is 39°C (102.2°F), pulse is 120/min, respirations are 28/min, and blood pressure is 78/56 mm Hg. An x-ray of the chest shows a reticulonodular infiltrate throughout the lungs and a left-sided pleural effusion. A peripheral blood smear shows acid-fast bacilli. Which of the following abnormalities is most likely to be present?
assistant
Decreased IFN-γ levels