PASTEURELLA multocida causes hemorrhagic septicemia in many domestic and wild animals. The most common human infection with P multocida is a local cellulitis following animal-inflicted wounds, preponderantly cat bites and scratches.1 The typical clinical manifestations and complications have been well described previously.2
We present three cases of pulmonary pasteurellosis that were recently evaluated by the infectious diseases service at Barnes Hospital. In three additional cases, the technologists in the microbiology laboratory isolated P multocida from respiratory tract secretions.
Report of Cases
A 46-year-old farmer, who raised cattle and hogs, entered Barnes Hospital with a chief complaint of increasing cough with purulent sputum, for which he had received antibiotics at another hospital. During several months before admission, the patient had a cough that started recurring with dyspnea on climbing one flight of stairs, and he had been producing approximately 240 mL of sputum daily. Several months before the