Continuing to serve as the definitive source on the subject, Pneumocystis Pneumonia offers a detailed update on the biology, pathogenesis, genetics, and immunology of Pneumocystis. This reference offers invaluable research and previously unpublished findings, and provides in-depth reviews on the development of new drugs, insights into host-pathogen interactions, emerging diagnostic techniques, global perspectives of the infection, future directions in the field, and more. This volume also provides a discussion of the genetic diversity of the disease in the context of nomenclature and recognition of species and molecular typing as well as description of the ongoing genome project.