* requiring icu admission at screening * history of psoriasis * known adverse reaction to hydroxychloroquine sulphate * pregnancy * prolonged qt interval (\>450 ms)

* requiring icu admission at screening * history of psoriasis * known adverse reaction to hydroxychloroquine sulphate * pregnancy * prolonged qt interval (\>450 ms)

- requiring icu admission at screening - history of psoriasis - known adverse reaction to hydroxychloroquine sulphate - pregnancy - prolonged qt interval (>450 ms)

- requiring icu admission at screening - history of psoriasis - known adverse reaction to hydroxychloroquine sulphate - pregnancy - prolonged qt interval (>450 ms)