回复：回复：what to you mean positive, usually only do TB test

来源: Wewillgetgc 于 2007-05-23 13:51:00 [] [旧帖] [给我悄悄话] 阅读数 : (99 bytes)
回答: what to you mean positive, usually only do TB test 由 YuTu 于 2007-05-22 21:26:04

Yes, that means you have been immunized either by having the disease before or having the vaccines.

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