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HIV Epidemiology

Sexually Transmitted Infections

The Latest

Johanne Morne and Dr. Oni Blackstock

Ending the HIV Epidemic Is a Team Effort. The New York City and State Health Departments Discuss Their Combined Work

Johanne Morne, M.S., and Oni Blackstock, M.D., sat down with TheBody to discuss their successes and their work to close the disparities gap.

By Terri Wilder, M.S.W.
nurse preparing vaccine

The First In-Human Chlamydia Vaccine Trial Shows Positive Immune Response

A chlamydia infection makes HIV acquisition more likely.

By Sony Salzman
Ivana Beesham

Experts Flummoxed By Conflicting New Data on STIs, HIV, and Long-Term Contraception in Sub-Saharan Africa

ECHO trial results and follow-up studies find unexpectedly low rates of some STIs among users of certain long-term hormonal contraceptives. They also find high HIV rates (unrelated to the contraceptives) that suggest considerable value for PrEP integration.

By Sony Salzman
Hand of doctor holding syringe and medicine bottle. Preparing for injection

Hormonal Contraception Does Not Increase HIV Risk, Study Finds

No meaningful difference was found in either injectable or implant birth control when compared to an IUD.

By Sony Salzman
Fist raised at Black Lives Matter Protest

This Week in HIV Research: The Racism of Perceived Risk

June 6, 2019: HIV/STI risk perceptions differ by race; psychosocial issues and HIV risk among young trans women; switching to dolutegravir/atazanavir; reports of severe hepatotoxicity on dolutegravir.

By Barbara Jungwirth and Myles Helfand
High Prevalence of Multiple High-Risk HPV Infections in Young HIV-Positive Gay Men Img

High Prevalence of Multiple High-Risk HPV Infections in Young HIV-Positive Gay Men

A study investigated whether the baseline epidemiology of HPV infection in young HIV-positive MSM may help guide primary and secondary prevention strategies.

By Gareth Hardy for HIV i-Base
Rectal Gonorrhea, Syphilis Emerge as Top STI Preludes to HIV in Gay Men Img

Rectal Gonorrhea, Syphilis Emerge as Top STI Preludes to HIV in Gay Men

Rectal gonorrhea and early syphilis led all sexually transmitted infections (STIs) in predicting incident HIV infection, according to results of a nearly seven-year study in Washington of 6,577 men who have sex with men (MSM).

By Mark Mascolini
Study of HIV and STI Risk Is a 'Wake-Up Call' for Health Providers Serving Young Gay Men Img

Study of HIV and STI Risk Is a 'Wake-Up Call' for Health Providers Serving Young Gay Men

For the first time, a study documents the incidence of HIV and sexually transmitted infections (STIs) among very young men who have sex with men -- including those under age 18 -- who were followed over a period of two years.

By Emily Newman for BETA
Few Young Gay/Bisexual Men in U.S. Getting Important Vaccine Against HPV Img

Few Young Gay/Bisexual Men in U.S. Getting Important Vaccine Against HPV

Despite U.S. guidelines recommending HPV vaccination for all adolescents and young adults, only 7% of young gay or bisexual men in a U.S. national sample had received one or more doses of the HPV vaccine.

By The Center for AIDS Information & Advocacy
One in 20 New York City Gay Men Acquire HIV Within a Year of Syphilis Diagnosis Img

One in 20 New York City Gay Men Acquire HIV Within a Year of Syphilis Diagnosis

From 2000 through mid-2010, 15% of New York City men already diagnosed with syphilis were infected with HIV, according to results of a population-level analysis.

By Mark Mascolini