Syphilis in the blood is the number of stages

Treponema pallidum infection in the human body, first in the local skin damage site survival and proliferation, and spread to the adjacent lymph nodes, causing hard chancre and lymphadenitis performance. If there is no timely treatment, then Treponema pallidum can pass through the lymphatic system, into the blood circulation, the formation of bacteremia, spread to the whole body, this time is secondary syphilis. Therefore, secondary syphilis stage, Treponema pallidum in the blood is the most. Of course, to the late syphilis stage, there are Treponema pallidum in the blood, but relatively less than the second stage. At this time Treponema pallidum, mainly into the various organs to cause lesions.