Can I rule out syphilis after negative tests seven weeks after protected intercourse?

Can I rule out syphilis after negative tests seven weeks after protected intercourse?

Hello, I was tested for syphilis 4 weeks after protected intercourse, bladder cancer and RPHA-negative. The next analysis was 7 weeks after protected intercourse, ELISA-negative. Total 7 weeks from contact. Can I rule out syphilis already?

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