Clinical Research Directory

Inclusion Criteria: * Hospitalized subjects aged ≥ 60 years * A respiratory sample collected and tested by polymerase chain reaction (PCR) during hospitalisation as part of standard of care Note: Reasons for PCR: 1. Patients with Severe acute respiratory infection (SARI) 2. Patients with symptoms other than SARI 3. Systematic PCR testing (in the context of clusters or during the winter season) \* Recent onset of at least one general symptom and at least one functional or physical respiratory sign * General symptoms: fever (which may be absent in older patients), chills, sweating, headache, malaise, myalgia, arthralgia, fatigue, decline in general condition (asthenia, weight loss, anorexia, confusion, or dizziness), digestive disturbances. * Respiratory signs: sore throat, rhinorrhoea (common cold), cough, wheezing, dyspnoea, chest pain, or recent auscultatory abnormalities (diffuse or focal). * Subjects willing to participate, with a non-opposition form completed and signed by the qualified and trained healthcare professional responsible for providing the participant information * Subject affiliated to a health insurance system Exclusion Criteria: * Subjects refusing to participate * Subjects admitted to palliative care unit. * Subjects under guardianship * Any condition that, in the opinion of the investigator, may interfere with the aim of the study or wellbeing of the patient