However, plague was not transmitted when healthy young Marmota baibacina were bitten by the infected fleas, indicating that human flea grey marmot strain played a minor role in the spread of plague.

 
  • 用大數量感染的人蚤灰旱獺株(分別為265只、102只)對健康幼獺叮咬,未出現鼠疫的傳播,表明人蚤灰旱獺株感染蚤的鼠疫媒介能力甚低。
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