The immunocompromised patient.

The number of immunocompromised persons-as well as the importance of family physicians understanding their state-is increasing. In many instances the family physician will first identify or provide day-to-day care for such patients while they live in the community. This article gives an overview of certain aspects of normal host immunity, etiology and mechanisms in immunocompromisation, and outlines techniques for recognition and management of this special group of patients.