<prompt> Devi,a 28 yr female,has diarrhoea, confusion, high grade fever with bilateral pneumonitis.the diagnosis isLeginonellaNeisseria meningitisStreptococcus pneumoniaeH.influenza  <response>: Pneumonia in association with clinical clues in the form of high grade fever, confusion, and diarrhoea suggests a diagnosis of legionnaires pneumonia Ref Harrison 19th edition pg 1016 