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HIV Incidence 2006 |
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![Slide 3: Estimated Percentage of New HIV Infections
by Sex—United States, 2006
Based on the stratified extrapolation approach, using a biological marker of recent HIV infection, CDC estimated the incidence of HIV infections in 2006 as 56,300 new infections, with a 95% confidence interval of 48,200 to 64,500.
Of the 56,300 new HIV infections in 2006, CDC estimated that 73% were in men and 27% were in women.
The 22 states with HIV incidence surveillance that provided data for the incidence estimate are Alabama, Arizona, Colorado, Connecticut, Florida, Georgia, Illinois, Indiana, Louisiana, Michigan, Mississippi, Missouri, New Jersey, New York, North Carolina, Oklahoma, Pennsylvania, South Carolina, Tennessee, Texas, Virginia, and Washington. Incidence estimates were extrapolated to the 50 states and the District of Columbia. Data have been adjusted for reporting delay.](images/Slide3.gif)
Slide 3
Estimated Percentage of New HIV Infections
by Sex—United States, 2006
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![Slide 4: Estimated Percentage of New HIV Infections by Race/Ethnicity—United States, 2006
Based on a stratified extrapolation approach, using a biological marker of recent HIV infection, CDC estimated the incidence of HIV infections in 2006 as 56,300 new infections, with a 95% confidence interval of 48,200 to 64,500.
Of the estimated 56,300 new HIV infections in the US in 2006, CDC estimated that 45% of the new infections were among blacks/African Americans, 35% among whites and 17% among Hispanics.
Asians/Pacific Islanders and American Indians/Alaska Natives made up 2% and 1% of new infections respectively.
CDC’s incidence estimates confirm that blacks/African Americans are more severely and disproportionately affected by HIV than any other racial/ethnic group in the United States.
Although blacks/African Americans comprise only 12% of the US population, 45% of new HIV infections occurred in blacks/African Americans. Hispanics/Latinos make up 15% of the US population yet 17% of new HIV infections occurred in Hispanic/Latinos.
The 22 states with HIV incidence surveillance that provided data for the incidence estimate are Alabama, Arizona, Colorado, Connecticut, Florida, Georgia, Illinois, Indiana, Louisiana, Michigan, Mississippi, Missouri, New Jersey, New York, North Carolina, Oklahoma, Pennsylvania, South Carolina, Tennessee, Texas, Virginia, and Washington. Incidence estimates were extrapolated to the 50 states and the District of Columbia. Data have been adjusted for reporting delay.](images/Slide4.gif)
Slide 4
Estimated Percentage of New HIV Infections by Race/Ethnicity—United States, 2006
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![Slide 5: Estimated Rate of New HIV Infections by Race/Ethnicity—United States, 2006
Based on a stratified extrapolation approach, using a biological marker of recent HIV infection, CDC estimated the incidence of HIV infections in 2006 as 56,300 new infections, with a 95% confidence interval of 48,200 to 64,500.
Of the estimated 56,300 new HIV infections in the US in 2006, CDC estimated the rate of new infections by race was 14.6/100,000 in American Indians/Alaska Natives, 10.3/100,000 in Asians/Pacific Islanders, 83.7/100,000 in blacks/African Americans, 29.3/100,000 in Hispanics/Latinos, and 11.5/100,000 in whites.
In 2006, the rate of new infections among blacks/African Americans was 7 times the rate among whites (83.7 versus 11.5 new infections per 100,000 population). The rate of new HIV infections among Hispanics/Latinos in 2006 was nearly 3 times the rate among whites (29.3 versus 11.5 per 100,000).
The 22 states with HIV incidence surveillance that provided data for the incidence estimate are Alabama, Arizona, Colorado, Connecticut, Florida, Georgia, Illinois, Indiana, Louisiana, Michigan, Mississippi, Missouri, New Jersey, New York, North Carolina, Oklahoma, Pennsylvania, South Carolina, Tennessee, Texas, Virginia, and Washington. Incidence estimates were extrapolated to the 50 states and the District of Columbia. Data have been adjusted for reporting delay.](images/Slide5.gif)
Slide 5
Estimated Rate of New HIV Infections by Race/Ethnicity—United States, 2006
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![Slide 6: Estimated Percentage of New HIV Infections by Transmission Category—United States, 2006
Based on a stratified extrapolation approach, using a biological marker of recent HIV infection, CDC estimated the incidence of HIV infections in 2006 as 56,300 new infections, with a 95% confidence interval of 48,200 to 64,500.
New HIV infections were classified in a hierarchy of transmission categories based on risk factors. These categories include: Male-to-male sexual contact, Injection-drug use (IDU), Both male-to-male sexual contact and injection-drug use, Heterosexual contact (i.e., with a person of the opposite sex known to have HIV or an HIV risk factor, e.g., male-to-male sexual contact or injection drug use)
Of the estimated 56,300 new HIV infections in the US in 2006, CDC estimated that 53% (28,700) were attributed to male-to-male sexual contact, 31% (16,800) to heterosexual contact, 12% to injection drug use, and 4% were attributed to male-to-male sexual contact and injection drug use.
The 22 states with HIV incidence surveillance that provided data for the incidence estimate are Alabama, Arizona, Colorado, Connecticut, Florida, Georgia, Illinois, Indiana, Louisiana, Michigan, Mississippi, Missouri, New Jersey, New York, North Carolina, Oklahoma, Pennsylvania, South Carolina, Tennessee, Texas, Virginia, and Washington. Incidence estimates were extrapolated to the 50 states and the District of Columbia. Data have been adjusted for reporting delay and cases without risk factor information were proportionately re-distributed.](images/Slide6.gif)
Slide 6
Estimated Percentage of New HIV Infections by Transmission Category—United States, 2006
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![Slide 7: Estimated Percentage of New HIV Infections
by Age—United States, 2006
Based on a stratified extrapolation approach, using a biological marker of recent HIV infection, CDC estimated the incidence of HIV infections in 2006 as 56,300 new infections, with a 95% confidence interval of 48,200 to 64,500.
Of the estimated 56,300 new HIV infections in the US in 2006, CDC estimated that more than one third (34%) were in those age 13-29 years, making this the age group with the highest proportion of new infections. Those age 30-39 years represented 31% of new infections. Those age 40-49 years accounted for 25% and those age 50 years and older represented 10% of new infections in 2006.
The 22 states with HIV incidence surveillance that provided data for the incidence estimate are Alabama, Arizona, Colorado, Connecticut, Florida, Georgia, Illinois, Indiana, Louisiana, Michigan, Mississippi, Missouri, New Jersey, New York, North Carolina, Oklahoma, Pennsylvania, South Carolina, Tennessee, Texas, Virginia, and Washington. Incidence estimates were extrapolated to the 50 states and the District of Columbia. Data have been adjusted for reporting delay.](images/Slide7.gif)
Slide 7
Estimated Percentage of New HIV Infections
by Age—United States, 2006
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![Slide 8: Estimated Percentage of New HIV Infections by Sex and Race/Ethnicity—United States 2006 N = 54,230
Based on a stratified extrapolation approach, using a biological marker of recent HIV infection, CDC estimated the incidence of HIV infections in 2006 as 56,300 new infections, with a 95% confidence interval of 48,200 to 64,500.
Subpopulation analysis performed on estimated HIV incidence in blacks/African Americans, Hispanics/Latinos and whites in the United States, 2006, is reported in the September 12, 2008 MMWR entitled](images/Slide8.gif)
Slide 8
Estimated Percentage of New HIV Infections by Sex and Race/Ethnicity—United States 2006 N = 54,230
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![Slide 9: Estimated Rate of New HIV Infections by Sex and Race/Ethnicity—United States, 2006 N = 54,230
Based on a stratified extrapolation approach, using a biological marker of recent HIV infection, CDC estimated the incidence of HIV infections in 2006 as 56,300 new infections, with a 95% confidence interval of 48,200 to 64,500.
The disparities in HIV incidence are most striking when examining the rate of new HIV infections by sex and race for the 54,230 new HIV infections estimated in blacks/African Americans, Hispanics/Latinos and whites in the United States for 2006.
The rate of new HIV infections among black/African American men (115.7/100,000) was 6 times the rate in white men (19.6/100,000) and the rate in Hispanic/Latino men (43.1/100,000) was about twice the rate in white men.
The incidence rate in black/African American women (55.7/100,000) was almost 15 times that of white women (3.8/100,000).
Hispanic/Latina women had an HIV incidence rate (14.4/100,000) that was almost 4 times that of white women (3.8/100,000).
Please note data are presented on this slide for blacks/African Americans, Hispanics/Latinos and whites only. Asians/Pacific Islanders and American Indians/Alaska Natives made up a combined total of 2.6% of the national estimate of new infections, and as a result, additional stratification in those populations was not possible.
The 22 states with HIV incidence surveillance that provided data for the incidence estimate are Alabama, Arizona, Colorado, Connecticut, Florida, Georgia, Illinois, Indiana, Louisiana, Michigan, Mississippi, Missouri, New Jersey, New York, North Carolina, Oklahoma, Pennsylvania, South Carolina, Tennessee, Texas, Virginia, and Washington. Incidence estimates were extrapolated to the 50 states and the District of Columbia. Data have been adjusted for reporting delay.](images/Slide9.gif)
Slide 9
Estimated Rate of New HIV Infections by Sex and Race/Ethnicity—United States, 2006
N = 54,230
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![Slide 10: Estimated Percentage of New HIV Infections by Race/Ethnicity, Sex and Age—United States, 2006 N = 54,230
Based on a stratified extrapolation approach, using a biological marker of recent HIV infection, CDC estimated the incidence of HIV infections in 2006 as 56,300 new infections, with a 95% confidence interval of 48,200 to 64,500.
Of the estimated 54,230 new HIV infections in blacks/African Americans, Hispanics/Latinos and whites in the United States in 2006, almost three-fourths (72%) occurred in men. The most new infections in black/African American and in Hispanic/Latino men occurred in the age group 13-29 years whereas the most new infections in white men occurred in those age 30-39 years.
Among white men, 25% of new infections occurred in men age 13-29 years, 34% among men age 30-39 years, 29% in men age 40-49 years and 12% in men age 50 years or older.
Among Hispanic/Latino men, 41% of new infections occurred in men age 13-29 years, 34% among men age 30-39 years, 19% in men age 40-49 years and 6% in men age 50 years or older.
Among black/African American men, 42% of new infections occurred in men age 13-29 years, 26% among men age 30-39 years, 23% in men age 40-49 years and 9% in men age 50 years or older.
Approximately one fourth (27%) of new infections occurred in women. The most new infections occurred in women of child-bearing age, raising concern about potential mother-to-child transmission and the importance of identifying HIV infected women before pregnancy and delivery.
Among white women, 32% of new infections occurred in women age 13-29 years, 32% among women age 30-39 years, 25% in women age 40-49 years and 11% in women age 50 years or older.
Among Hispanic/Latina women, 36% of new infections occurred in women age 13-29 years, 31% among women age 30-39 years, 19% in women age 40-49 years and 14% in women age 50 years or older.
Among black/African American women, 32% of new infections occurred in women age 13-29 years, 30% among women age 30-39 years, 27% in women age 40-49 years and 11% in women age 50 years or older.
Subpopulation incidence estimates can help guide local, state and national intervention measures tailored to those populations at greatest risk for HIV infection.
Please note data are presented on this slide for blacks/African Americans, Hispanics/Latinos and whites only. Asians/Pacific Islanders and American Indians/Alaska Natives made up a combined total of 2.6% of the national estimate of new infections, and as a result, additional stratification in those populations was not possible. Data have been adjusted for reporting delay.](images/Slide10.gif)
Slide 10
Estimated Percentage of New HIV Infections by Race/Ethnicity, Sex and Age—United States, 2006 N = 54,230
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![Slide 11: Estimated Percentage of New HIV Infections by Sex and Transmission Category—United States, 2006 N = 54,230
Based on a stratified extrapolation approach, using a biological marker of recent HIV infection, CDC estimated the incidence of HIV infections in 2006 as 56,300 new infections, with a 95% confidence interval of 48,200 to 64,500.
In the HIV incidence subpopulation estimates for the 54,230 new HIV cases in blacks/African Americans, Hispanics/Latinos and whites in the United States in 2006, new infections were classified in a hierarchy of transmission categories based on risk factors. These categories include: Male-to-male sexual contact, Injection-drug use (IDU), Both male-to-male sexual contact and injection-drug use, Heterosexual contact (i.e., with a person of the opposite sex known to have HIV or an HIV risk factor, e.g., male-to-male sexual contact or injection drug use)
Men represented nearly three-fourths of new infections among blacks/African Americans, Hispanics/Latinos and whites in this analysis. Nearly three-fourths (72%) of the new infections in men were in the transmission category male-to-male sexual contact.
The next most common transmission category among men was heterosexual contact (13% of new cases), followed by IDU (9%) and both male-to-male sexual contact and IDU (5%).
Among women, 80% of new infections were the result of heterosexual contact and 20% were attributed to IDU.
Please note data are presented on this slide for blacks/African Americans, Hispanic/Latinos and whites only. Asians/Pacific Islanders and American Indians/Alaska Natives made up a combined total of 2.6% of the national estimate of new infections, and as a result, additional stratification in those populations was not possible.
The 22 states with HIV incidence surveillance that provided data for the incidence estimate are Alabama, Arizona, Colorado, Connecticut, Florida, Georgia, Illinois, Indiana, Louisiana, Michigan, Mississippi, Missouri, New Jersey, New York, North Carolina, Oklahoma, Pennsylvania, South Carolina, Tennessee, Texas, Virginia, and Washington. Incidence estimates were extrapolated to the 50 states and the District of Columbia. Data have been adjusted for reporting delay and cases without risk factor information were proportionately re-distributed.](images/Slide11.gif)
Slide 11
Estimated Percentage of New HIV Infections by Sex and Transmission Category—United States, 2006 N = 54,230
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![Slide 12: Estimated Percentage of New HIV Infections by Race/Ethnicity, Sex, and Transmission Category—United States, 2006 N = 54,230
Based on a stratified extrapolation approach, using a biological marker of recent HIV infection, CDC estimated the incidence of HIV infections in 2006 as 56,300 new infections, with a 95% confidence interval of 48,200 to 64,500.
Among the estimated 54,230 new HIV infections in blacks/African Americans, Hispanics/Latinos and whites in the United States in 2006, men made up nearly three-fourths of new infections.
Although male-to-male sexual contact is the predominant transmission category in each of the three race/ethnicity categories shown, there were racial/ethnic differences in the distribution of cases among the transmission categories. Eighty-one percent of new infections in white men were in the male-to-male sexual contact transmission category, in contrast to 72% of new infections in Hispanic/Latino men and 63% of new infections in black/African American men.
Heterosexual contact with an person who is HIV positive or in a high-risk category (e.g., injection drug use) accounted for 20% of new HIV infections in black/African American men, 13% in Hispanic/Latino men, and 6% in white men.
Although heterosexual contact was the predominant mode of transmission among women accounting for 80% of the 14,410 new infections in women overall, there were racial/ethnic differences in the distribution of new infections by transmission category.
Eighty-three percent of new infections in black/African American women and in Hispanic/Latina women occurred through heterosexual contact, in contrast to 70% of new infections in white women.
Please note data are presented on this slide for blacks/African Americans, Hispanics/Latinos and whites only. Asians/Pacific Islanders and American Indians/Alaska Natives made up a combined total of 2.6% of the national estimate of new infections, and as a result, additional stratification in those populations was not possible. Data have been adjusted for reporting delay and cases without risk factor information were proportionately re-distributed.](images/Slide12.gif)
Slide 12
Estimated Percentage of New HIV Infections by Race/Ethnicity, Sex, and Transmission Category—United States, 2006 N = 54,230
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![Slide 13: Estimated Percentage of New HIV Infections among Adult and Adolescent Men Who Have Sex with Men, by Race/Ethnicity— United States, 2006
Based on a stratified extrapolation approach, using a biological marker of recent HIV infection, CDC estimated the incidence of HIV infections in 2006 as 56,300 new infections, with a 95% confidence interval of 48,200 to 64,500.
Nearly three-quarters (72%) of new HIV infections in men occur among men who have sex with men (or MSM).
Among MSM, 46% of new cases occurred in whites, 35% in blacks/African Americans and 19% in Hispanics/Latinos.
Please note data are presented on this slide for blacks/African Americans, Hispanics/Latinos and whites only. Asians/Pacific Islanders and American Indians/Alaska Natives made up a combined total of 2.6% of the national estimate of new infections, and as a result, additional stratification in those populations was not possible. Data have been adjusted for reporting delay and cases without risk factor information were proportionately re-distributed.](images/Slide13.gif)
Slide 13
Estimated Percentage of New HIV Infections among Adult and Adolescent Men Who Have Sex with Men, by Race/Ethnicity— United States, 2006
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![Slide 14: Estimated Number of New HIV Infections among Adult and Adolescent Men Who Have Sex with Men, by Race/Ethnicity and Age Group—United States, 2006 N = 28,700
Based on a stratified extrapolation approach, using a biological marker of recent HIV infection, CDC estimated the incidence of HIV infections in 2006 as 56,300 new infections, with a 95% confidence interval of 48,200 to 64,500.
Among MSM with new HIV infections, 13,200 were white, 10,130 were black/African American and 5,370 were Hispanic/Latino.
Within these racial/ethnic subpopulations, there are differences in the age at infection. There was a greater number of new HIV infections among young black/African American MSM age 13-29 years than any other age-race/ethnicity group of MSM - over 5,000 new HIV infections in 2006. In MSM age 13-29 years the number of new infections in blacks/African Americans was 1.6 times the number in whites, and 2.3 times the number in Hispanics/Latinos. In Hispanic/Latino MSM the highest number of new infections was also in the youngest age group with over 2,000 new HIV infections in Hispanic/Latino MSM age 13-29 years. In contrast, among white MSM the highest number of new HIV infections (over 4,500) occurred in those age 30-39 years.
Among black/African American MSM, more than half (52%) of new HIV infections were in men age 13-29 years, 25% age 30-39 years, 18% age 40-49 years and 6% age 50 years and older.
Among Hispanic/Latino MSM, 43% of new HIV infections were in men age 13-29 years, 35% age 30-39 years, 18% age 40-49 years and 4% age 50 years and older.
Among white MSM, 25% of new HIV infections were in men age 13-29 years, 35% age 30-39 years, 28% age 40-49 years and 11% age 50 years and older.
Please note that data are presented on this slide for whites, black/African American, and Hispanic/Latinos only. Asians/Pacific Islanders and American Indians/Alaska Natives made up a combined total of 2.6% of the national estimate of new infections, and as a result, additional stratification in those populations was not possible. Data have been adjusted for reporting delay and cases without risk factor information were proportionately re-distributed.](images/Slide14.gif)
Slide 14
Estimated Number of New HIV Infections among Adult and Adolescent Men Who Have Sex with Men, by Race/Ethnicity and Age Group—United States, 2006 N = 28,700
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