RT Book, Section A1 Maxwell, Daniel N. A1 Arasaratnam, Reuben J. A1 Restrepo, Alejandro A1 Babu, Tara M. A2 Grippi, Michael A. A2 Antin-Ozerkis, Danielle E. A2 Dela Cruz, Charles S. A2 Kotloff, Robert M. A2 Kotton, Camille Nelson A2 Pack, Allan I. SR Print(0) ID 1195016567 T1 Nocardiosis and Actinomycosis T2 Fishman’s Pulmonary Diseases and Disorders, 6e YR 2023 FD 2023 PB McGraw-Hill Education PP New York, NY SN 9781260473988 LK accessmedicine.mhmedical.com/content.aspx?aid=1195016567 RD 2024/04/16 AB Nocardia, a Gram-positive, filamentous bacteria, causes the rare infection known as nocardiosis and belongs to the Nocardia genus in the actinomycetes group. Ubiquitous in nature, Nocardia spp. are found worldwide in soil, water, and vegetation.1 Actinomycosis is an indolent infection caused by anaerobic or microaerophilic bacteria primarily belonging to the genus Actinomyces. Each is discussed in detail below.