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Diagnoses of HIV infection and AIDS in the United States and dependent areas, 2009
  • Published Date:
    February 2011
  • Source:
    HIV surveillance report ; v. 21
  • Language:
    English
Filetype[PDF - 2.09 MB]


Details:
  • Corporate Authors:
    National Center for HIV/AIDS, Viral Hepatitis, STD, and TB Prevention (U.S.). Division of HIV/AIDS Prevention.
  • Series:
    HIV surveillance report
  • Document Type:
  • Description:
    Commentary -- Technical Notes -- Section 1. Diagnoses of HIV infection and AIDS -- Section 2. Deaths and survival after a diagnosis of HIV infection or AIDS -- Section 3. Persons living with a diagnosis of HIV infection or AIDS -- Section 4 HIV infection and AIDS data for states and metropolitan statistical areas -- Web addresses for reports of state and local HIV surveillance.

    Data are presented for diagnoses of HIV infection and AIDS reported to CDC through June 2010.

    The Centers for Disease Control and Prevention (CDC) collects, analyzes, and disseminates surveillance data on HIV infection and AIDS; these data are one of the nation’s primary sources of information on the HIV epidemic. The annual surveillance report, published by the Division of HIV/AIDS Prevention (DHAP), summarizes information about diagnosed HIV infection and AIDS in the United States and dependent areas. HIV surveillance data are used by CDC’s public health partners in other federal agencies, health departments, nonprofit organizations, academic institutions, and the general public to help focus prevention efforts, plan services, allocate resources, develop policy, and monitor the HIV epidemic.

    The presentation of 2009 data emphasizes the date of diagnosis of HIV infection or AIDS (diagnosis as of December 31, 2009; reported to CDC as of June 30, 2010), not the date of report to CDC. The term diagnosis of HIV infection refers to a diagnosis of HIV infection regardless of the person’s AIDS status at the time of diagnosis. Until recently, data were presented by date of report, reflecting reporting practices; that is, the information may have been reported months or years after the date of diagnosis. HIV data by year of diagnosis more closely approximate the date of infection and are thus one of the best markers of trends in the epidemic. However, HIV diagnoses do not necessarily represent new infections (incidence): some persons were infected recently, and others were infected at some time in the past. Because of reporting delays, the actual numbers of cases diagnosed in a given year may be higher than the numbers of diagnoses of HIV infection (unadjusted) presented for recent years; however, the numbers of diagnoses for a calendar year typically stabilize after 2 to 3 years of reporting.

    Suggested citation: Centers for Disease Control and Prevention. HIV Surveillance Report, 2009; vol. 21. http://www.cdc.gov/hiv/topics/surveillance/resources/reports/. Published February 2011. Accessed [date].

  • Supporting Files:
    No Additional Files