Clinical manifestations include fever(65%), cough(92.5%) and expectoration(80%). The chest X_ray revealed infiltration in lower lobes of both lungs.

• 临床表现为发热 (65%25 )、咳嗽 (92.；5%25 )、咳痰 (80%25 )；胸部X线多表现为双下肺淡薄斑片状阴影；药敏监测表明该菌广泛耐药；尤其是产ESBLs株。