Estimated Incidence of Human Immunodeficiency Virus Infection and Rate per 100,000, 50 U.S. States and the District of Columbia, 2006–2009.

aCI, Confidence Interval. Confidence intervals reflect random variability affecting model uncertainty but may not reflect model-assumption uncertainty; thus, they should be interpreted with caution.bBecause column totals for estimated numbers were calculated independently of the values for the subpopulations, the values in each column may not sum to the column total.cHispanics/Latinos can be of any race.dHeterosexual contact with a person known to have, or to be at high risk for, HIV infection.eIncludes hemophilia, blood transfusion, perinatal exposure, and risk factor not reported or not identified.*Indicates significantly different (p**Indicates significantly different (p