Invasive Pulmonary Infection

This photomicrograph depicts the histopathologic changes associated with nocardiosis of the lung, 1973. 80% of the cases of nocardiosis show clinical features of invasive pulmonary infection, disseminated disease, or brain abscess, 20% show signs of cellulitis. In the United States an estimated 500 - 1,000 new cases of nocardiosis infection occur annually. Image courtesy CDC/Dr. Martin Hicklin. (Photo by Smith Collection/Gado/Getty Images).