The instant invention relates to antibodies (which includes whole antibodies and functional parts thereof) as therapeutic and diagnostics tools to combat K. pneumoniae (Kp) infections, and diseases and disorders which are caused by or associated with Kp infections.本發明係關於作為治療及診斷工具以對抗克雷伯氏肺炎桿菌(Kp)感染及Kp感染引起或相關之疾病及病症之抗體(其包括全抗體及其功能部分)。