NEW YORK — From gritty neighborhoods in New York and Los Angeles to clinics in Kenya and Brazil, health workers are trying to popularize a pill that has proven highly effective in preventing HIV but which — in their view — remains woefully underused.

Marketed in the United States as Truvada, and sometimes available abroad in generic versions, the pill has been shown to reduce the risk of getting HIV from sex by more than 90 percent if taken daily. Yet worldwide, only about a dozen countries have aggressive, government-backed programs to promote the pill. In the U.S., there are problems related to Truvada’s high cost, lingering skepticism among some doctors and low usage rates among black gays and bisexuals who have the highest rates of HIV infection.

“Truvada works,” said James Krellenstein, a New York-based activist. “We have to start thinking of it not as a luxury but as an essential public health component of this nation’s response to HIV.”

A few large U.S. cities are promoting Truvada, often with sexually charged ads. In New York, “Bare It All” was among the slogans urging gay men to consult their doctors. The Los Angeles LGBT Center — using what it called “raw, real language” — launched a campaign to increase use among young Latino and black gay men and transgender women.

“We’ve got the tools to not only end the fear of HIV, but to end it as an epidemic,” said the center’s chief of staff, Darrel Cummings. “Those at risk have to know about the tools, though, and they need honest information about them.”

In New York, roughly 30 percent of gay and bisexual men are using Truvada now, up dramatically from a few years ago, according to Dr. Demetre Daskalakis, a deputy commissioner of the city’s health department. However, Daskalakis said use among young black and Hispanic men — who account for a majority of new HIV diagnoses — lags behind. To address that, the city is making Truvada readily available in some clinics in or near heavily black and Hispanic neighborhoods. Read more via the Daily Journal