The painless sore called a chancre appears in which stage of syphilis?
- A. Secondary stage
- B. Tertiary stage
- C. Primary stage
- D. Congenital stage
Explanation
About three weeks after infection a chancre forms at the entry point, marking primary syphilis, and heals on its own, which lets the disease go unnoticed. The rash belongs to the secondary stage and gummas to the tertiary.