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Updated: May 5, 2026

Amplifying and Quantifying HIV-1 RNA in HIV Infected Individuals with Viral Loads Below the Limit of Detection by Standard Clinical Assays
13:58

Amplifying and Quantifying HIV-1 RNA in HIV Infected Individuals with Viral Loads Below the Limit of Detection by Standard Clinical Assays

Published on: September 26, 2011

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HIV infection - United States, 2008 and 2010

Anna Satcher Johnson, Linda Beer, Catlainn Sionean

    MMWR Supplements
    |November 23, 2013
    PubMed

    Insights

    In 2009, over a million people in the U.S. lived with HIV, with new infections highest among men who have sex with men and minority populations. Improving care and prevention is key to reducing HIV transmission and improving survival.

    Area of Science:

    • Epidemiology
    • Public Health
    • Infectious Diseases

    Background:

    • In 2009, 1.1 million individuals in the U.S. had HIV, with 50,000 new infections annually.
    • HIV prevalence is highest among gay, bisexual, and other men who have sex with men (MSM), representing half of new infections in 2009.
    • Significant racial/ethnic disparities exist, with Black/African Americans and Hispanics/Latinos comprising half of new infections and deaths.

    Purpose of the Study:

    • To outline the HIV epidemic in the U.S. at the end of 2009.
    • To highlight key demographic groups disproportionately affected by HIV.
    • To emphasize the importance of a continuum of care for improving outcomes.

    Main Methods:

    • Analysis of national HIV surveillance data from 2009.
    • Examination of HIV prevalence and incidence by demographic factors.
    • Review of essential components for HIV care and prevention.

    Main Results:

    • Approximately 1.1 million people were living with HIV in the U.S. in 2009.
    • MSM accounted for about half of all new HIV infections.
    • Black/African Americans and Hispanics/Latinos represented about half of new infections and deaths.

    Conclusions:

    • Effective HIV management requires addressing disparities in care.
    • A comprehensive continuum of services, including diagnosis, care linkage, retention, and prevention, is crucial.
    • Continued efforts are needed to reduce HIV transmission and improve survival rates.

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