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Syphilis

A bacterial infection usually spread by sexual contact that starts as a painless sore.
  • Spreads by sexual contact
  • Treatable by a medical professional
  • Medium-term: resolves within months
  • Requires a medical diagnosis
  • Lab tests or imaging always required
Syphilis develops in stages, and symptoms vary with each stage.
Rare: Fewer than 200,000 US cases per year
Consult a doctor for medical advice Sources: Mayo Clinic and others. Learn more
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