Syphilis (TP)
Syphilis is a chronic and systemic sexually transmitted disease caused by the pale spirochete (i.e., Treponema pallidum), primarily transmitted through sexual contact. Syphilis can be divided into different stages, including primary, secondary, tertiary, latent syphilis, and congenital syphilis (also known as fetal transmission syphilis). This disease is unique to humans, and both symptomatic and asymptomatic patients can transmit it. Syphilis patients have the spirochete present in their skin lesions, secretions, and blood. Additionally, the spirochete can be transmitted to the fetus through the placenta, and the risk of transmitting syphilis to the fetus is higher for pregnant women in the early stages of the disease.
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