Mainland medical workers drafted in to help stem Covid-19 surge in Hong Kong; some patients left unwashed due to staff shortages.
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Authorities record 31,402 new cases and 180 deaths; residents warned to remain vigilant and maintain social distancing to cut transmission rate.
Medical expert indicates situation stabilising gradually; Macao student tests positive on return from university in Hong Kong.
With public hospitals bursting at the seams and staff struggling to cope, private hospitals agree to take patients with mild or no symptoms.
City continues to battle virus amid staff shortages on public transport and food supply problems while some medical experts query the use of mass testing.
