<prompt> In a suspected case of legionnaires disease, medium used for culture is:Buffered charcoal yeast extract agarThayer MainChocolate agarBordet Gengou  <response>: Definitive method for diagnosis of Legionella infection is isolation of the organism. Buffered charcoal yeast extract agar BCVE supplemented with antibiotics and dye is the most sensitive medium for Legionella. 