Indirect transmission through the bite of a flea is the most common route of transmission between plague-infected rodents and humans.

 
  • 經(jīng)蚤類(lèi)叮咬所致的間接傳播是染疫嚙齒動(dòng)物與人之間最常見(jiàn)的傳播方式。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan