* participant in a different covid-19 study in which the study drug is under clinical development and hasn't been previously authorized for commercialization. * liver enzymes \> 5 times the upper normal range. * chronic kidney disease with gfr \< 30 ml/min/1.73 m2 (stage 4 or greater) or need for hemodialysis. * pregnancy. a pregnancy test will be performed on every woman younger than 55 years of age prior to inclusion. * terminal surgical or medical illness. * autoimmune disease. * any patient condition that can prevent the study procedures to be carried out at the treating physician's judgement.

* participant in a different covid-19 study in which the study drug is under clinical development and hasn't been previously authorized for commercialization. * liver enzymes \> 5 times the upper normal range. * chronic kidney disease with gfr \< 30 ml/min/1.73 m2 (stage 4 or greater) or need for hemodialysis. * pregnancy. a pregnancy test will be performed on every woman younger than 55 years of age prior to inclusion. * terminal surgical or medical illness. * autoimmune disease. * any patient condition that can prevent the study procedures to be carried out at the treating physician's judgement.

- participant in a different covid-19 study in which the study drug is under clinical development and hasn't been previously authorized for commercialization. - liver enzymes > 5 times the upper normal range. - chronic kidney disease with gfr < 30 ml/min/1.73 m2 (stage 4 or greater) or need for hemodialysis. - pregnancy. a pregnancy test will be performed on every woman younger than 55 years of age prior to inclusion. - terminal surgical or medical illness. - autoimmune disease. - any patient condition that can prevent the study procedures to be carried out at the treating physician's judgement.

- participant in a different covid-19 study in which the study drug is under clinical development and hasn't been previously authorized for commercialization. - liver enzymes > 5 times the upper normal range. - chronic kidney disease with gfr < 30 ml/min/1.73 m2 (stage 4 or greater) or need for hemodialysis. - pregnancy. a pregnancy test will be performed on every woman younger than 55 years of age prior to inclusion. - terminal surgical or medical illness. - autoimmune disease. - any patient condition that can prevent the study procedures to be carried out at the treating physician's judgement.