1) have a confirmed diagnosis of COVID-19 2) are in a non-ICU ward, and are not imminently to be admitted to ICU or discharged 3) have known diabetes or newly diagnosed diabetes (diagnosed on an HbA1c >=6.5 mmol/L) 4) have had at least one fingerprick glucose level >=12 mmol/L since the commencement of dexamethasone.

1) have a confirmed diagnosis of COVID-19 2) are in a non-ICU ward, and are not imminently to be admitted to ICU or discharged 3) have known diabetes or newly diagnosed diabetes (diagnosed on an HbA1c >=6.5 mmol/L) 4) have had at least one fingerprick glucose level >=12 mmol/L since the commencement of dexamethasone.