A elderly male patient presented with fever, chest pain and dry cough, sputum cultured on charcoal yeast medium, the organism is -(
High-Yield Explanation
Ans. is 'c' i.e., Legionella . Buffered charcol, yeast extract (BCYE) agar is a selective media for legionella. . Fever, chest pain and dry cough in an elderly patient with culture positive on charcol yeast medium suggest the diagnosis of legionella infection.