SARS-CoV-2 in Stools Compared to Respiratory Viral Strains.

Inclusion Criteria: * Age: men or women of 18 years-old or more * Clinical signs: hospitalised patient for SARS-CoV-2 infection, nasopharyngeal PCR-confirmed (or any other sample) (in: Infectious diseases department, Intensive care unit), whatever the severity of the clinical form. * The subject gave his/her informed and writen consent, after complete explanations on the research schedule. * Compulsory affiliation to a social security scheme. * Previous medical examination, when a patient is admitted to the hospital, according to good clinical practices. Exclusion Criteria: * Subject corresponding to articles L. 1121-5, L. 1121-7 and L1121-8 of the French Public health code: * pregnant woman, parturient or breastfeeding woman * Minor person * Person of full age under guardianship, curatorship, safeguard of justice * Woman who wants to be pregnant during the study period * Person in psychiatric care - articles L. 3212-1 and L. 3213-1 who do not fall under the article L. 1121-8 (without consent hospitalisation)