Chronic Inflammatory Condition of the Male Genital Tract

Inclusion criteria common to both groups: * Subjects aged 18 and over * Voluntary and signed informed consent Inclusion criteria specific to the group "patient": * Patients with clinical signs of urethritis / or * Patients treated for urethritis following the usual protocols in the month before inclusionand / or * Patients with positive chlamydial research, or Mycoplasma genitallium or Garderella vaginalis or gonorrhea in the sperm or first urinary stream; Inclusion criteria specific to the group "control": \- Patients with no urethritis or no history of urogenital infection Exclusion criteria common to both groups: * Subjects not wishing to participate in the study * Subjects that have not signed the informed consent * Those not affiliated to the social security system (or entitled beneficiary) * Immunodepressed or have an infection associated with HIV, HBV or HCV * Chronic systemic disease Exclusion criteria specific to the group "patient": \- Patients with no signs of urethritis Exclusion criteria specific to the group "control": \- Subjects with signs of urethritis