Inclusion Criteria:  Severe Acute Respiratory Syndrome CoronaVirus-2 (SARS-CoV-2) infection confirmed by Polymerase Chain Reaction (PCR) on nasopharyngeal swab or oropharyngeal swab or rectal swab or bronchoalveolar aspirate admission to the ICU for monitoring or organ support  Exclusion Criteria:  asymptomatic COVID-19 patients admitted to the ICU for medical reason not related to COVID-19