The problem is most acute among men over 40 years old: the incidence in this group increased from 4.7 thousand cases in 2020 to 9.7 thousand in 2024.
At the same time, according to official data, the incidence of other sexually transmitted infections has been steadily declining since 2015.
The rise in syphilis cases is observed not only in Russia but also at the international level. Experts point to several factors contributing to this increase, noting that the reasons may vary depending on the region.
