TAMPA, Fla. (WFLA) — A man in the Netherlands ended up suffering serious pneumonia after being infected with a bacteria strain not previously reported in humans. According to a March 2025 research ...

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 ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. The bacteria that causes chlamydia, a common sexually transmitted ...

"About 80% of people with chlamydia don't develop symptoms," notes Dr. Michael Shen, an internal medicine physician at NYC Health + Hospitals/Brooklyn. But when symptoms do occur, they typically ...