She only had a couple of vaccination marks on her arm and a tiny scar on her knee. 她的胳膊上有一些種痘后的留痕，膝蓋處有一小塊疤。
In all, ninety-one face-to-face contacts were identified, twelve of whom had no vaccination scar, and six who had been hospital patients or visitors. 總共確認(rèn)出91人是面對面接觸，他們中有12人沒有種痘疤痕和6人是住院病人或是訪客。
Methods The children who were the second grade class of primary schools were investigated the history of the BCG vaccination, BCG scar, native place and conducted PPD test. 方法對小學(xué)二年級學(xué)生進(jìn)行卡介苗接種史、卡痕、戶口所在地、出生地情況調(diào)查，同時進(jìn)行人型-PPD試驗。