<prompt> Adenosine deaminase In CSF Is significantly higher InTuberculous meningitisBacteriaI meningitisViral meningitisSyphilitic meningitis  <response>: Tuberculous meningitis TBM is the most common form of central nervous system tuberculosis TB and has very high morbidity and moality. TBM is typically a subacute disease with symptoms that may persist for weeks before diagnosis Ref Harrison20th edition pg 2456 