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Showing content from https://pubmed.ncbi.nlm.nih.gov/21826193/ below:

Estimated HIV incidence in the United States, 2006-2009

Collaborators, Affiliations

• HIV Incidence Surveillance Group: Catina L James, Jennifer Williams Warrington, Nanette Benbow, Pamela Montoya, Heather Linardos, Becky Grigg, Shirley Chan, Richard Passey, Amy Zapata, Marianne F O'Connor, David B Peyton, Charlotte Sadashige, Lisa A Forgione, Lou C Smith, John Barnhart, Jane Baker, Samira Khan, Margaret Hawthorne, Celestine A Buyu, Jason Carr, N'ko Lea Ali-Napo, Jane Kelly, David Kim, Richard Kline, Laurie Linley, Danuta Pieniazek, Magan Pearson, Helena Zabina

• ¹ Division of HIV/AIDS Prevention, National Center for HIV, Viral Hepatitis, STD and TB Prevention, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America. nzp1@cdc.gov

• PMID: 21826193
• PMCID: PMC3149556
• DOI: 10.1371/journal.pone.0017502

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Joseph Prejean et al. PLoS One. 2011.

• HIV Incidence Surveillance Group: Catina L James, Jennifer Williams Warrington, Nanette Benbow, Pamela Montoya, Heather Linardos, Becky Grigg, Shirley Chan, Richard Passey, Amy Zapata, Marianne F O'Connor, David B Peyton, Charlotte Sadashige, Lisa A Forgione, Lou C Smith, John Barnhart, Jane Baker, Samira Khan, Margaret Hawthorne, Celestine A Buyu, Jason Carr, N'ko Lea Ali-Napo, Jane Kelly, David Kim, Richard Kline, Laurie Linley, Danuta Pieniazek, Magan Pearson, Helena Zabina

• ¹ Division of HIV/AIDS Prevention, National Center for HIV, Viral Hepatitis, STD and TB Prevention, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America. nzp1@cdc.gov

• PMID: 21826193
• PMCID: PMC3149556
• DOI: 10.1371/journal.pone.0017502

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Background: The estimated number of new HIV infections in the United States reflects the leading edge of the epidemic. Previously, CDC estimated HIV incidence in the United States in 2006 as 56,300 (95% CI: 48,200-64,500). We updated the 2006 estimate and calculated incidence for 2007-2009 using improved methodology.

Methodology: We estimated incidence using incidence surveillance data from 16 states and 2 cities and a modification of our previously described stratified extrapolation method based on a sample survey approach with multiple imputation, stratification, and extrapolation to account for missing data and heterogeneity of HIV testing behavior among population groups.

Principal findings: Estimated HIV incidence among persons aged 13 years and older was 48,600 (95% CI: 42,400-54,700) in 2006, 56,000 (95% CI: 49,100-62,900) in 2007, 47,800 (95% CI: 41,800-53,800) in 2008 and 48,100 (95% CI: 42,200-54,000) in 2009. From 2006 to 2009 incidence did not change significantly overall or among specific race/ethnicity or risk groups. However, there was a 21% (95% CI:1.9%-39.8%; p = 0.017) increase in incidence for people aged 13-29 years, driven by a 34% (95% CI: 8.4%-60.4%) increase in young men who have sex with men (MSM). There was a 48% increase among young black/African American MSM (12.3%-83.0%; p<0.001). Among people aged 13-29, only MSM experienced significant increases in incidence, and among 13-29 year-old MSM, incidence increased significantly among young, black/African American MSM. In 2009, MSM accounted for 61% of new infections, heterosexual contact 27%, injection drug use (IDU) 9%, and MSM/IDU 3%.

Conclusions/significance: Overall, HIV incidence in the United States was relatively stable 2006-2009; however, among young MSM, particularly black/African American MSM, incidence increased. HIV continues to be a major public health burden, disproportionately affecting several populations in the United States, especially MSM and racial and ethnic minorities. Expanded, improved, and targeted prevention is necessary to reduce HIV incidence.

PubMed Disclaimer

Competing Interests: Rebecca Ziebell is an employee of The Ginn Group, Peachtree City, Georgia, United States of America, a sub-contractor of the Northrop Grumman Corporation which provides scientific analysis services under contract to and as directed by the Centers for Disease Control and Prevention (CDC). This affiliation does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials.

Each year, the highest rate of new infections was in black/African American males. Among females, blacks/African Americans also had the highest rates of new infections annually.

HIV incidence in all MSM 13–29 demonstrated a statistically significant estimated annual percentage change (EAPC) of 8.1% (95% CI: 1.9%–14.9%; p = 0.01). The EAPC for young black/African American MSM was 12.2% (95% CI: 4.2%–20.9%; p = 0.002) but was not significant for other young MSM.

• Changes in Disparities in Estimated HIV Incidence Rates Among Black, Hispanic/Latino, and White Men Who Have Sex With Men (MSM) in the United States, 2010-2015.

  McCree DH, Williams AM, Chesson HW, Beer L, Jeffries WL 4th, Lemons A, Prather C, Sutton MY, McCray E. McCree DH, et al. J Acquir Immune Defic Syndr. 2019 May 1;81(1):57-62. doi: 10.1097/QAI.0000000000001977. J Acquir Immune Defic Syndr. 2019. PMID: 30964805

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• Estimated percentages and characteristics of men who have sex with men and use injection drugs--United States, 1999-2011.

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• Epidemiology of HIV in the USA: epidemic burden, inequities, contexts, and responses.

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• Anabolic-androgenic steroids and condom use: potential mechanisms in adolescent males.

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• Primary care clinicians' experiences prescribing HIV pre-exposure prophylaxis at a specialized community health centre in Boston: lessons from early adopters.

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