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The third edition of the Glossary of HIV/AIDS-Related Terms has been updated to include new words commonly used to describe HIV, its pathogenesis, its associated treatments, and the medical management of related conditions. Recent advances in the field of immunology have increased the understanding of how the virus works. New methods for measuring the virus in the blood have changed the way patients are managed, and the use of combination therapies has provided more treatment options than ever before. Definitions for new terms have been added and updates to some of the existing terms are also included in this third edition.

The six U.S. Department of Health and Human Services (DHHS) agencies that cosponsor the HIV/AIDS Treatment Information Service (ATIS) were instrumental in reviewing and supporting this effort. ATIS is a free telephone reference service for health care providers and persons with HIV infection. It provides the latest information about federally approved treatment guidelines. With the frequent updates to these guidelines being released through ATIS, it is essential for care providers and persons living with HIV/AIDS to know how to access this service.

Click here for the numbers to use in order to contact the HIV/AIDS Treatment Information Service and other access routes to this service.