Nationally, 20 people have died — nine in NSW, four in Victoria, two in WA, two in Queensland, two in Tasmania and one in ACT.
Health authorities have not released any national data on the severity of diagnosed cases in Australia.
However, according to the World Health Organisation, global data to date suggest 80 per cent of infections are mild or produce no symptoms, 15 per cent are severe and require oxygen, and 5 per cent are critical infections requiring mechanical ventilation.
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