Septicaemic plague occurs when infection spreads directly through the bloodstream, while the pneumonic form is the most virulent but least common.
肺炎性鼠疫不需要经跳蚤或动物媒介,而
传
经空气吸入受感染飞
传播。
Septicaemic plague occurs when infection spreads directly through the bloodstream, while the pneumonic form is the most virulent but least common.
肺炎性鼠疫不需要经跳蚤或动物媒介,而
传
经空气吸入受感染飞
传播。
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