An expert who advises the government on Covid-19 warned on Saturday that hundreds of ‘silent carriers’ who recently returned to Hong Kong from overseas may be spreading coronavirus in the community, amid a sharp spike in cases in the territory.

Professor David Hui, a respiratory disease expert from Chinese University, said analysis of saliva samples from incoming travellers show around one percent are asymptomatic carriers – meaning they tested positive for the coronavirus without displaying any symptoms.

https://news.rthk.hk/rthk/en/component/k2/1517397-20200328.htm

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