Syphilis is caused by infection with Treponema pallidum subsp. pallidum. a not-yet-cultivable spiral-shaped bacterium that is usually transmitted by sexual contact with an infected partner or by an infected pregnant woman to her fetus. There is no vaccine to prevent syphilis. https://www.roneverhart.com/La-Tierra-de-Acre-Mezcal-Espadin-86-proof/