Search Cytomegalovirus in Healthy Volunteers Stools Samples Selected as Potential Donor for Fecal Microbiota Transplant

Inclusion Criteria: * Men and women aged over 18 and under 65 years * Having a normal transit (less than three stools per day and more than three bowel movements per week) * Body mass index (BMI) \<30 and\> 16.9 * Accept the constraints of the study, ie two visits (inclusion and Following Visit), a stool sample, two blood tests * Having given and signed informed consent * Being affiliated or beneficiary of a social security scheme Exclusion Criteria: * Taking a treatment with anti-CMV action in three months by acyclovir, valacyclovir, ganciclovir, valganciclovir, foscarnet, cidofovir, brincidofovir * Having an absolute exclusion criteria to donation defined by the survey of French Group Fecal Transplant: * Digestive disorders (acute or chronic diarrhea) in the three months prior to donation * Known chronic disease (except hypertension and hypercholesterolemia) * Documented history of typhoid fever * Taking long-term medication (except contraceptives, cholesterol-lowering and antihypertensive treatment) * Antibiotic taken within three months * Stay in tropics during the three months prior to donation, * Residence of several years in tropics (over 24 months) * Hospitalization abroad of more than 24 hours in the last 12 months to the donor or his entourage (those living under the same roof) * Healthy Volunteers who have not reached the limit of compensation by social security or exclusion period