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 divided into four stages: An untreated infected person may infect others during the first 2 stages (1-2 years). Even though untreated syphilis is not contagious in the late stage serious complications can occur: Syphilis will infect internal organs, and eventually cause death.