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Nontreponemal tests are an indirect method in that they detect biomarkers that are released during cellular damage that occurs from the syphilis spirochete. In contrast, treponemal tests look for antibodies that are a direct result of the infection thus, anti-treponeme IgG, IgM and to a lesser degree IgA.
The rapid plasma reagin test (RPR test or RPR titer) is a type of rapid diagnostic test that looks for non-specific antibodies in the blood of the patient that may indicate an infection by syphilis or related non-venereal treponematoses. It is one of several nontreponemal tests for syphilis (along with the Wassermann test and the VDRL test).
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.
By the time people are over the age of 50, Park says “about 1 in 5 of us has herpes type 2,” which causes genital herpes. “And then when we talk about herpes type 1, which causes oral herpes ...
Syphilis is usually spread from direct contact with a syphilis sore during vaginal, anal or oral sex, according to the CDC, although it can also spread from an infected pregnant women to her ...
Cases of syphilis have hit record high numbers following a five-year trend, the Centers for Disease Control and Prevention said. A report published Jan. 30 examined the total cases of three ...
The Venereal Disease Research Laboratory test (VDRL) is a blood test for syphilis and related non-venereal treponematoses that was developed by the eponymous US laboratory. The VDRL test is used to screen for syphilis (it has high sensitivity), whereas other, more specific tests are used to diagnose the disease.
Due to the possibility of false positives, positive test results are usually reported as "reactive." This indicates that the assay reacted to antibodies, but this does not mean that the individual has the specific antibodies tested for. [5] Seroreversion is the opposite of seroconversion.