noun phaseÂ·out \ËfÄz-ËauÌt\. : the act of stopping something gradually over a period of time in a planned series of steps or phases.
C. Incubation period: Usually 3 weeks, ranges from 10 days to 3 months for primary symptoms. D. Period of communicability: Moist mucocutaneous lesions of primary and secondary syphilis are infectious. However, it is difficult to differentiate between the infectious stage and the noninfectious early latent stage.
Syphilis is a sexually transmitted, infectious disease caused by the spirochete Treponema pallidum. This article focuses on tertiary syphilis. Tertiary syphilis can follow the initial infection (primary syphilis) by 3 to 15 years. In tertiary syphilis, the infection-causing organisms have continued to grow for years.