这种伤口感染是由假单胞菌引起的，需要立即治疗。

The wound infection was caused by ___Pseudomonas and requires immediate treatment.

医生特别关注免疫系统较弱的患者，因为他们更容易感染假单胞菌。

Doctors pay special attention to immunocompromised patients as they are more susceptible to ___Pseudomonas infections.