The outbreak has so far killed more than 2,000 people. Photo: EPA-EFE
Rare coronavirus cases can have long incubation period, warns leading Chinese respiratory expert
- Minority of Covid-19 cases took between 14 and 24 days before a positive diagnosis could be given, potentially complicating fight against disease
- Leading specialist Zong Nanshan says this only covers a minority of cases and the median period is three to seven days
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Coronavirus pandemic
The outbreak has so far killed more than 2,000 people. Photo: EPA-EFE