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What are the most common types of syphilis?
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The most common types of syphilis are primary, secondary, and latent. Primary syphilis is characterized by a rash, sore throat, fever, headache, and swollen lymph nodes. Secondary syphilis causes a variety of symptoms including skin rashes, sores, and joint pain. Latent syphilis is the least severe form of the disease and can go undetected for years.