We report a case of bacterial croup caused by Pasteurella haemolytica.
A nine-month-old girl was admitted to our hosptial because of abrupt
onset dyspnea and unconsciousness. From clinical and laboratory findin
gs, she was diagnosed as having bacterial croup. Pasteurella haemolyti
ca was recovered from her tracheal secretion on admission. To our know
ledge, this is the first report of bacterial croup caused by P. haemol
ytica.