<prompt> True about Legionella pneumonia is -Acid fastCan be isolated from lung biopsyGram positiveSputum shows polymorphonuclear leukocytes with organism  <response>: Ans. is b i.e., Can be isolated from lung biopsy . Legionella is gram negative and non-acid fast. . Legionella can be isolated from lung biopsy. . Sputum shows numerous neutrophils but no organism. 