New Zealand lifted all restrictions except international border controls after declaring on Monday it was free of the coronavirus.
Just two rounds of matches in NRL were played before the season was halted in March amid the coronavirus pandemic.
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Officials and experts also warned against complacency, stressing the need for further strict social distancing policies
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The formal declaration gives the government the power to close off cities or regions, impose curfews and order people to quarantine, if deemed necessary to contain the spread of the virus