Where is Treponema found?
Yaws, caused by T pallidum subsp pertenue, predominates in the tropical areas of Africa, South America, India, Indonesia, and the Pacific Islands. Its highly contagious nature is indicated by an estimated 50 million cases worldwide.
What is the name of the bacteria that causes syphilis?
Syphilis is a sexually transmitted disease (STD) caused by the bacterium Treponema pallidum.
What causes Bejel?
Bejel is a rare infectious disease caused by a spiral-shaped bacterium (spirochete), known as Treponema pallidum endemicum. Under a microscope, T. p. endemicum is virtually indistinguishable from Treponema pallidum, the bacterium that causes syphilis.
What kind of bacteria is Treponema pallidum?
Transmission. Treponema pallidum is a corkscrew-shaped (spirochete) bacterium.
Is syphilis a virus or bacteria?
Syphilis is a bacterial infection usually spread by sexual contact. The disease starts as a painless sore — typically on the genitals, rectum or mouth. Syphilis spreads from person to person via skin or mucous membrane contact with these sores.
What is chancre?
A syphilis sore (called a chancre) pops up — that sore is where the syphilis infection entered your body. Chancres are usually firm, round, and painless, or sometimes open and wet. There’s often only 1 sore, but you may have more.
What causes syphilis in a woman?
Syphilis is a sexually transmitted disease (STD) caused by an infection with bacteria known as Treponema pallidum. Like other STDs, syphilis can be spread by any type of sexual contact. Syphilis can also be spread from an infected mother to the fetus during pregnancy or to the baby at the time of birth.
What is male syphilis?
Syphilis is a sexually transmitted infection (STI) that causes infected sores, blisters or ulcers on your genitals, anus (bottom) or mouth. It’s normally passed on through sex without a condom or by sharing sex toys with someone who has the infection.
What are yaws and bejel?
Bejel, pinta, and yaws (endemic treponematoses) are chronic, tropical, nonvenereal spirochetal infections spread by body contact. Symptoms of bejel are mucous membrane and cutaneous lesions, followed by bone and skin gummas. Yaws causes periostitis and dermal lesions. Pinta lesions are confined to the dermis.
Where is syphilis endemic?
endemicum, which causes bejel (also known as endemic syphilis) and is traditionally found in the Middle East and in desert regions of West Africa.
Can you get syphilis from kissing?
Second, kissing can also transmit syphilis, which may present as an oral chancre. T pallidum can invade mucous membranes through abrasion. Therefore, oral chancre can result from kissing with a syphilis patient. Therefore, kissing with a syphilis patient should also be avoided in order to block the infection.