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Surveillance Case Definitions
Current Guidelines: Revised Surveillance Case Definitions for HIV Infection Among Adults, Adolescents, and Children Aged <18 Months and for HIV Infection and AIDS Among Children Aged 18 Months to <13 Years—United States, 2008 Appendix A: AIDS Defining Conditions Appendix B: Comparison of the Revised World Health Organization and CDC Surveillance Case Definitions and Staging Systems for HIV Infection Previous Guidelines: 1999 Guidelines for National Human Immunodeficiency Virus Case Surveillance, Including Monitoring for Human Immunodeficiency Virus Infection and Acquired Immunodeficiency Syndrome 1999 Revised Surveillance Case Definition for HIV Infection 1994 Revised Classification System for Human Immunodeficiency Virus Infection in Children Less Than 13 Years of Age 1993 Revised Classification System for HIV Infection and Expanded Surveillance Case Definition for AIDS Among Adolescents and Adults 1987 Revision of the CDC Surveillance Case Definition for Acquired Immunodeficiency Syndrome
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