Selected article for: "active infection historical infection and historical infection"
Author: Wu, Xiaobing; Guan, Yang; Ye, Jianbin; Fu, Hanlin; Zhang, Chunlai; Lan, Lina; Wu, Fengxin; Tang, Fen; Wang, Feng; Cai, Yumao; Yu, Weiye; Feng, Tiejian
Title: Association between syphilis seroprevalence and age among blood donors in Southern China: an observational study from 2014 to 2017
  • Document date: 2019_11_2
    • ID: ubnv0fdw_33
    Snippet: historical infection and active infection. Historical infection was defined as TPPA positive but TRUST negative and active infection as both TPPA and TRUST positive. 14 Overall syphilis infection was defined as TPPA positive, including both historical and active infection. Moreover, high-titre was defined as a quantitative titre of ≥ 1∶8 in patients with active infection......
    Document: historical infection and active infection. Historical infection was defined as TPPA positive but TRUST negative and active infection as both TPPA and TRUST positive. 14 Overall syphilis infection was defined as TPPA positive, including both historical and active infection. Moreover, high-titre was defined as a quantitative titre of ≥ 1∶8 in patients with active infection.

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