An image from an electron microscope of Treponema pallidum, the bacteria that causes syphilis. In 2022, the number of reported cases of syphilis in the United States was the highest it has been since ...

For some, the world suddenly goes blurry. Others describe it as having a dust storm in your eyes, or being shaken up in a snow globe. People might see flashing lights or black spots drifting through ...

Cases have risen by 80 percent since 2018, the C.D.C. reported. But chlamydia remains far more common. By Apoorva Mandavilli Syphilis, once nearly eliminated in the United States, continues to resurge ...

Congenital syphilis has become more than ten times as common over the past decade, the C.D.C. reported. “The situation is dire,” said one expert. By Apoorva Mandavilli See more of our coverage in your ...