Luxembourg Cohort of Positive Patients for COVID-19: a Stratification Study to Predict Patient Prognosis

For every symptomatic adult tested positive by RTqPCR, up to 45 mL of blood will be taken, nasopharyngeal and oropharyngeal swab will be performed, an induced sputum and a stool samples will be recovered at the inclusion. As follow-up, 3 weeks after inclusion, up to 45 mL of blood will be taken and a new induced sputum will be recovered.