Human immunodeficiency virus (HIV) testing is essential for improving the health of people living with HIV and reducing new HIV infections. HIV testing improves the health of people living with HIV by identifying undiagnosed HIV infection and linking persons with HIV to medical care, treatment, and prevention services. HIV testing also significantly reduces the risk of HIV transmission among those who learn they are living with HIV.

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HIV Testing at CDC-Funded Sites, United States, Puerto Rico, and the U.S. Virgin Islands, 2008-2009