PNH: Paroxysmal Nocturnal Haemoglobinuria; NAAT: Nucleic Acid Amplification Test; aHUS: Atypical Haemolytic Uremic Syndrome; DGI: Disseminated Gonococcal Infection; ID: Infectious Disease; RUQ: Right Upper Quadrant; ICU: Intensive Care Unit; BP: Blood Pressure; PCR: Polymerase Chain Reaction; DNA: Deoxyribonucleic acid; WBC: White blood cell; LDH: Lactate Dehydrogenase; CRP: C-reactive protein; F: Female; M: Male. This evidence concerns the gene CRP and infectious disease.