“…Regarding assessment of patients’ risk of infectiousness , all the sources consulted 45 , 46 , 47 , 48 , 49 , 50 , 51 , 52 , 53 , 54 , 55 , 56 , 57 , 58 recommend screening with a clinical interview 24 h before and on the day of the test. Fever, cough, dyspnoea and gastrointestinal symptoms (diarrhoea) in the past 2 weeks with no apparent cause, as well as patients’ potential contact with patients with confirmed COVID-19, are to be investigated.…”