Inclusion Criteria:  All patients admitted to the Intensive Care Unit with organ failure secondary to acute COVID-19 infection and successfully discharged from Mater Dei Hospital and surviving beyond 6 months after discharge, will be offered inclusion in the study.  A positive COVID PCR result before or during the patient's admission will be necessary for inclusion in the study. Participants will be over 18 years of age, with no restriction as regards race, ethnicity or gender.  Exclusion Criteria:  There are no exclusion criteria