inclusion criteria: - 18-75 years old sars cov-2 infection confirmed by positive virologic test realised in the 96 h before randomization - beginning of covid-19 symptoms < 10 days at the time of randomization - presence of symptom(s) of covid-19 : fever (température > or = 37,5°c) or respiratory sign(s) (cough, breathing discomfort) or recent anosmia - presence of tdm/radiographic signs or pneumonia - hospitalization out of icu for covid with: moderate clinical form (no oxygenotherapy) or non critical severe form (oxygenotherapy)

inclusion criteria: - 18-75 years old sars cov-2 infection confirmed by positive virologic test realised in the 96 h before randomization - beginning of covid-19 symptoms < 10 days at the time of randomization - presence of symptom(s) of covid-19 : fever (température > or = 37,5°c) or respiratory sign(s) (cough, breathing discomfort) or recent anosmia - presence of tdm/radiographic signs or pneumonia - hospitalization out of icu for covid with: moderate clinical form (no oxygenotherapy) or non critical severe form (oxygenotherapy)