Microbiology – MCQ 21 – A elderly male presented with fever, chest pain and dry cough

A elderly male presented with fever, chest pain and dry cough. Sputum was cultured on charcoal yeast medium, the organism identified will be
a) H.influenza
b) Moraxella catarrhalis
c) Legionella
d) Burkholderia cepacia

Correct answer : c) Legionella

The patient presented with history of pneumonia. Charcoal yeast medium is the special medium for legionella culture.