Coronavirus: Experts urge caution after zero new cases

Zero cases might be a cause for celebration but it'll be the tamest party on the block if health experts have their way.
They say New Zealanders can pat themselves on the back for reaching the first day with no new cases since Covid-19 started a consistent climb seven weeks ago.
But they warn that there is still a lot of hard work to be done.
RNZ's health correspondent Rowan Quinn reports.