RecruitingPhase 1Drug trial[18F]Fluoropropyl-Trimethoprim ([18F]F-TMP) PET/CT Imaging to Evaluate Biodistribution and Kinetics in Human SubjectsThe purpose of this study is to study a radioactive tracer, a type of imaging drug that is injected into the body to see how it is taken up in sites of active infection using an imaging procedure called Positron Emission Tomography/Computed Tomography (PET/CT).