septicaemic

1.Most of swine lung plague is acute disease and pneu monic symptoms and septicaemic symptoms.

其流行特征以急性型最多,以肺炎症状和败血症状为主,部分病畜康复后可再次感染。

2.Septicaemic plague occurs when infection spreads directly through the bloodstream, while the pneumonic form is the most virulent but least common.

肺炎性鼠经跳蚤或动物媒介，而由人传人经空气吸入受感染飞沬传播。