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.
1 Secondary stage: In this stage, symptoms may be more widespread and may include a fever, rash, fatigue, and swollen lymph nodes. 2  This stage usually occurs about two to 12 weeks after the sores first appear. 3  Latent stage: This stage of syphilis happens after it moves from the secondary stage, and it causes no symptoms.