The first cases of what would later become known as AIDS were reported in the United States in June of 1981.1  Since then, more than 1.8 million people in the U.S. are estimated to have been infected with HIV, including over 650,000 who have already died; today, more than 1.1 million people are living with HIV.2,3  The response to the U.S. epidemic has yielded numerous successes, but challenges remain:

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