梅毒皮疹是有传染性的。
在最近的12个月内，您曾患有梅毒吗？
In the past 12 months, have you had a positive syphilis test?
宿主对梅毒螺旋体的免疫反应比较复杂；
The host immune response to Treponema pallidum is so complicated.
宿主对梅毒螺旋体的免疫反应比较复杂；
The host immune response to Treponema pallidum is so complicated.
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