Study design The COVID-19 Follow up Intensive Care Study (COFICS) is a single center, prospective cohort study performed at a University Medical Center in The Netherlands.

Study population The study population consists of all admitted critically ill COVID-19 patients with a > 48 hours ICU admission at the ICU of a University Medical Center and a family member of the patient. Family members in this study can be partners, other family members, or friends who are identified by the patient as important.

Sample size All consecutive patients admitted to the ICU of the University Hospital for respiratory distress due to COVID-19 between March 19th 2020 and September 30th 2020 will be enrolled. With consent of the patient, family member(s) of participating patients will be enrolled.