Unilateral leptospiral pneumonia and cold agglutinin disease

Pneumonia that is unresponsive to appropriate antibiotic therapy suggests a n infection due to mole unusual or resistant organisms. In this report, a c hild with unilateral pneumonia, pleural effusion, and anti-I cold hemagglut inin antibodies is presented. The usual causes of this clinical picture wer e suspected and treated, but the child did not improve. Features of her his tory suggested a mole unusual etiology;, and a diagnosis of leptospirosis w as made. ii brief discussion of leptospiral disease in children is provided .