Published in Vaccine Weekly, November 26th, 2003
"Syphilis has been recognized as a disease since the late 1400s, yet there is no practical vaccine available. One impediment to the development of a vaccine is the lack of understanding of multiple re-infections in humans despite the development of robust immune responses during the first episode," scientists in the United States report.
"It has been shown that the Treponema pallidum repeat protein K (TprK) differs in seven discrete variable (V) regions in isolates and that the antibody response during...
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