Primary Syphilis features one or more ulcerative sores, while Secondary Syphilis manifests as localized or widespread mucocutaneous rashes and possible generalized lymphadenopathy. Other symptoms include mucous patches, condyloma lata, and hair loss.

This infection stage occurs within the first 12 months but lacks primary or secondary syphilis signs or symptoms.

This category encompasses all early syphilis cases, including primary, secondary, and early non-primary, non-secondary syphilis.

This stage of infection transpires >12 months after initial infection or when there's inadequate evidence to determine if the infection was acquired within the past 12 months.

This infection is passed from a pregnant person to their child during pregnancy or delivery. It can cause severe infant illness, including premature birth, low birth weight, birth defects, blindness, hearing loss, stillbirth, and infant death.