CNN
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Disease detectives in Chicago say they have been seeing a worrisome trend: Patients complaining of unusual symptoms like vision and eye problems, headaches and hearing loss or dizziness caused by the sexually transmitted infection syphilis.

Doctors have long known that syphilis can permanently damage a person’s vision and hearing and can even lead to psychiatric changes, but these symptoms are usually associated with infections that have gone undiagnosed and untreated for years.

In a new study presented on Wednesday at the 2024 Epidemic Intelligence Service Conference in Atlanta, researchers say there were…