According to the Centers for Disease Control, the earliest warning signs of the primary stage of syphilis appear as sores at the location where the infection entered the body, usually in, on or around ...

a group of infections caused by bacteria in the Treponema genus. This group includes syphilis, as well as non-venereal ...

Syphilis has long been difficult to eradicate—and it’s having another resurgence. In the United States alone, more than 171,000 cases of the sexually-transmitted infection were reported in 2021, up 68 ...

The DSMZ is one of two bioresource collections worldwide where the bacteria produced in this way are deposited. Since its isolation in 1912, the syphilis pathogen has only been multiplied in ...