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 ...

Eye syphilis is a manifestation of syphilis. Sometimes, it is the first sign of infection. It can affect almost any part of the eye and resemble a range of other eye diseases. Common symptoms of eye ...

Syphilis is a sexually transmitted infection. Without treatment, the stages of syphilis include symptoms that worsen over time. They can lead to severe or possibly fatal complications. Syphilis is a ...

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 ...