Authorities in New South Wales are warning the Australian state is seeing its highest levels of Covid in a year. 

The surge comes at the tail end of the holiday period, with about 1,400 people going to emergency departments and 400 being admitted to hospital each week. 

New South Wales Health advises people to stay home if they have symptoms. 

Australia correspondent Murray Olds told Tim Dower that the bulk of cases aren't serious, as the two dominant variants right now mostly lead to only minor symptoms. 

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