Sexually transmitted infections, or STIs, include both sexually transmitted diseases, known as STDs, and the many infections that don’t progress to disease. STIs are caused by more than 30 different ...

Chlamydia is an STI caused by infection with the bacteria known as Chlamydia trachomatis. Chlamydia infections are common, supposedly impacting around 4% of women and 3% of men around the world. In ...

Medically reviewed by Matthew Wosnitzer, MD Key Takeaways Many people with chlamydia do not have any symptoms.Chlamydia can cause pain when urinating and unusual discharge.Annual screening for ...

Credit: Getty Images / Rodolfo Parulan Jr. If you're sexually active, chances are you've probably worried about STIs at some point. Google is often our first port of call when we're in the midst of an ...

Chlamydia often has no noticeable symptoms. If symptoms do appear, they usually do so between 7–21 days after exposure. Tests can usually detect chlamydia 1–2 weeks after exposure. The time between a ...

Sexually transmitted infections rose again in 2021, after a slight dip during the first year of the coronavirus pandemic, according to a report released Tuesday by the Centers for Disease Control and ...

Without treatment, chlamydia can lead to a range of severe complications, including pelvic inflammatory disease (PID), which can lead to infertility. Chlamydia often has no symptoms, but regular ...

For more than a decade, veterinary researchers in Queensland, Australia, have been vaccinating wild koalas against chlamydia, ...