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Syphilis (/ ˈ s ɪ f ə l ɪ s /) is a sexually transmitted infection caused by the bacterium Treponema pallidum subspecies pallidum. [1] The signs and symptoms depend on the stage it presents: primary, secondary, latent or tertiary.
Treponema pallidum, formerly known as Spirochaeta pallida, is a microaerophilic, gram-negative, spirochaete bacterium with subspecies that cause the diseases syphilis, bejel (also known as endemic syphilis), and yaws. [1]
Treponema is a genus of spiral-shaped bacteria. The major treponeme species of human pathogens is Treponema pallidum, whose subspecies are responsible for diseases such as syphilis, bejel, and yaws. Treponema carateum is the cause of pinta. [2] Treponema paraluiscuniculi is associated with syphilis in rabbits. [3]
A high incidence of syphilis can be found in places such as Cameroon, Cambodia, Papua New Guinea. [68] Syphilis infections are increasing in the United States. [69] Trichomoniasis is a common STI that is caused by infection with a protozoan parasite called Trichomonas vaginalis. [70]
The history of syphilis has been well studied, but the exact origin of the disease remains unknown. [3] It appears to have originated in both Africa and America. [4] [5] As such, there are two primary hypotheses: one proposes that syphilis was carried to Europe from the Americas by the crew(s) of Christopher Columbus as a byproduct of the Columbian exchange, while the other proposes that ...
The decline was driven by a 13% drop in such syphilis diagnoses among gay and bisexual men, who are about 2% of the adult population but have historically accounted for nearly half of such cases.
Both lesions are caused by sexually transmissible organisms; Both lesions typically appear on the genitals of infected individuals; Both lesions can be present at multiple sites and with multiple lesions; Differences. Chancre is a lesion typical of infection with the bacterium that causes syphilis, Treponema pallidum
The Spirochaetales are an order of spirochete bacteria. Some species within this order are known to causes syphilis , Lyme disease , relapsing fever , and other illnesses. [ 3 ]