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Scientists Pinpoint the Origin of Today’s HIV Pandemic

An international group of researchers believe they have pinpointed not just where and when the virus emerged in people, but the "perfect storm" that helped it become a worldwide phenomenon that has infected 75 million people to date.

An international group of researchers believe they have pinpointed not just where and when the virus emerged in people, but the “perfect storm” that helped it become a worldwide phenomenon that has infected 75 million people to date.

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This Week in Sex: Despite All Those Brazilians, Pubic Lice Are Still a Thing

A study has found that less pubic hair may mean fewer pubic lice—though they won't be extinct any time soon.

This week, new estimates suggest almost two million cases of chlamydia, there’s more evidence that HIV therapy cannot eradicate the virus in babies, and a study finds that less pubic hair may mean fewer pubic lice—though they won’t be extinct any time soon.

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Advocates Call for Full Funding of Research on HIV and Contraception

For women in countries and communities with limited contraceptive choices and high rates of HIV, particularly in sub-Saharan Africa, a shortage of funding for the ECHO (Evidence for Contraceptive Options and HIV Outcomes) trial is an unacceptable development.

For women in countries and communities with limited contraceptive choices and high rates of HIV, particularly in sub-Saharan Africa, a shortage of funding for the ECHO (Evidence for Contraceptive Options and HIV Outcomes) trial is an unacceptable development.

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Black Gay Male Criminalization and the Case of Michael Johnson

Michael Johnson, a college wrestler who's been charged with "recklessly infecting another with HIV," offers us a lens through which to examine how Black gay men are particularly vulnerable to HIV criminalization.

Johnson, a college wrestler who’s been charged with “recklessly infecting another with HIV,” offers us a lens through which to examine how Black gay men are particularly vulnerable to HIV criminalization.

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The Evidence Is In: Decriminalizing Sex Work Is Critical to Public Health

Why are researchers only just beginning to recognize the connection between the decriminalization of sex work and HIV? And why is the trend toward criminalizing populations involved in the sex trades increasing in the United States—moving in the opposite direction from other countries?

Why are researchers only just beginning to recognize the connection between the decriminalization of sex work and HIV? And why is the trend toward criminalizing populations involved in the sex trades increasing in the United States—moving in the opposite direction from other countries?

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This Week in Sex: At-Home STI Tests, New Virus-Killing Condom, and More

This week, LA County is reviving an at-home STI testing service, a new study shows that male circumcision can reduce rates of HIV among women as well as men, and an Australian company gets approval to produce a microbicide condom.

This week, LA County is reviving an at-home STI testing service, a new study shows that male circumcision can reduce rates of HIV among women as well as men, and an Australian company gets approval to produce a microbicide condom.

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WHO: Men Who Have Sex With Men Should Consider Pre-Exposure Prophylaxis

The World Health Organization wants men who have sex with men to work with their health-care providers to assess their personal risk and determine whether PrEP is right for them.

Contrary to some initial reports, the World Health Organization did not declare that all men who have sex with men should start taking PrEP as a means of preventing HIV. Instead, the group wants this population to work with their health-care providers to assess their personal risk and determine whether PrEP is right for them.

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This Week in Sex: HIV Tests, Cameras in Vibrators, and Porn Producers Threaten to Leave the Golden State

A porn producer with a large presence in San Francisco has threatened to move to Las Vegas if a condom law is passed.

This week, a new study shows that just one in five sexually active high school students has been tested for HIV; a porn producer with a large presence in San Francisco threatens to move to Las Vegas if a condom law is passed; and a vibrator lets you record your vagina during masturbation.

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HIV Found in Baby Who Was Previously Thought ‘Cured’ of the Virus

Doctors were devastated to announce last week that their patient, an almost 4-year-old girl was once thought "cured" of HIV,  was found to have detectable viral loads and lowered T-cell counts.

Doctors were devastated to announce last week that their patient, an almost 4-year-old girl was once thought “cured” of HIV, was found to have detectable viral loads and lowered T-cell counts.

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This Week in Sex: New Research on Improving Intimacy, and a Kegel Counter That Vibrates

New research suggests that orgasms promote positive pillow talk.

This week, new research suggests that orgasms promote positive pillow talk and improve intimacy but alcohol has the opposite effect; a study finds that the new HIV-prevention drug Truvada may also reduce the risk of genital herpes; and a vibrator company introduced a Fitbit for your vagina.

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