New York City Deputy Health Commissioner Demetre Daskalakis poses for a picture in his office in New York, on Wednesday, Dec. 20, 2017. In New York, roughly 30 percent of gay and bisexual men are using Truvada now, up dramatically from a few years ago, according to Daskalakis. However, he said usage among young black and Hispanic men - who together account for a majority of new HIV diagnoses - lags behind. (AP Photo/Seth Wenig)
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