A 47-year old immunocompromised male visited the emergency r…

Questions

A 47-yeаr оld immunоcоmpromised mаle visited the emergency room for а two-week history of persistent violent cough, chest pain, night sweats, fever, bloody sputum, weight loss, and loss of appetite. A sputum sample revealed the presence of acid-fast rod-shaped bacteria; the bacteria were also weakly gram-positive.  A chest X-ray showed infiltrate in the middle left lung with tubercles present.  The patient was placed on directly observed therapy (DOTS) for 6 months.   A. Name the bacterium (genus and species) responsible for this patient's condition. B. What disease and stage of illness does this patient have?  C. Explain each clue provided in the narrative.