A new report from the US Centers for Disease Control shows that, while detection rates are improving, a surprising number of Americans live with HIV for a protracted period of time before it gets diagnosed—including patients who’ve visited their doctor.

Describing it as a “serious situation,” the World Health Organization has issued a grim warning about the dramatic rise of antibiotic resistant gonorrhea around the world. The agency is now calling for the quick development of drugs to treat the sexually transmitted disease.

An alarming report put out by the Centers for Disease Control shows that the total combined cases of several sexually transmitted diseases have reached an “unprecedented” high in the United States.

Health officials in the US have identified a cluster of gonorrhea infections that exhibited unusual resistance against the last two main antibiotics known to work against the dreaded sexually transmitted disease.

The Centers for Disease Control and Prevention is collecting semen from hundreds of Zika-infected men to figure out how long the sexually transmitted virus lingers in the body.

In preparation for the upcoming Olympics in Brazil, a British long jump champion is planning to freeze his sperm just in case he contracts Zika. It’s meant as a precaution to prevent any future children from developing birth defects, but in reality it’s a complete overreaction based on unfounded fears.

The US Centers for Disease Control and Prevention has confirmed Zika infections in nine pregnant women in the United States, all of whom contracted the virus while traveling. Three babies have already been born—one with a brain defect.

The US Centers for Disease Control and Prevention is investigating over a dozen new cases of possible sexual transmission of the Zika virus, including several involving pregnant women.

A decade after its introduction, the vaccine for human papillomavirus has reduced the prevalence of this cancer-causing STD in teenage girls by nearly two-thirds. It’s an incredible success story, leading experts to question why HPV vaccinations aren’t more common in the United States.

Australia’s iconic koala—a species already threatened with extinction—is currently in the midst of a devastating chlamydia epidemic. Some scientists are now arguing that in order to save these cute marsupials from extinction, we may have to euthanize them in a massive cull.

The Ebola virus only spreads through direct contact with a sick person’s body fluids. including blood, saliva, sweat, vomit, urine, feces, breast milk, and semen. It’s the last one that has doctors concerned: it’s likely that for one Liberian woman, Ebola was a sexually-transmitted disease.

Until scientists learn more about the virus and how long it stays in the body, the U.S. Centers for Disease Control and Prevention is asking Ebola survivors to either abstain from sex or use condoms 100% of the time.

A Canadian study shows that HPV shots don't make girls promiscuous, as some parents have feared. But given that HPV causes about 70% of cervical cancers, this is hardly something we should be worrying about.

Just when you think that sex ed in high school and posters at clinics have covered all the times it is necessary to use protection, the human body (and various microbes) throw yet another horrifying sex scenario at you. We now suspect that people can get sexually transmitted food poisoning.

People often think that open relationships increase your risk of catching a disease — but actually, openly seeing other people is much safer than sneaking around, a new study proves. According to a study published in the Journal of Sexual Medicine suggests that people in open relationships actually have less of a…