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The Wassermann test or Wassermann reaction (WR) [1] is an antibody test for syphilis, named after the bacteriologist August Paul von Wassermann, based on complement fixation. It was the first blood test for syphilis and the first in the nontreponemal test (NTT) category. Newer NTTs, such as the RPR and VDRL tests, have mostly replaced it.
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).
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.
Congenital syphilis is still common in the developing world, as many women do not receive antenatal care at all, and the antenatal care others receive does not include screening. [50] [54] It still occasionally occurs in the developed world, as those most likely to acquire syphilis are least likely to receive care during pregnancy. [50]
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] It is known to be transmitted only among humans and baboons. [2]
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 ...
A staggering 207,000 syphilis cases were reported in the US in 2022 — an 80% increase since 2018. Syphilis cases soar to highest level in 70 years — CDC sounds alarm over ‘unacceptable’ crisis
Serological assays are tests that detect specific antibodies and are used to determine whether those antibodies are in an organism's blood; such tests require a significant concentration of unbound antibody in the blood serum. Serostatus is a term denoting the presence or absence of particular antibodies in an individual's blood. An individual ...