Lockdowns do work, IF PEOPLE OBEY THEM. That what is that worked for China and South Korea. Eg Daegu in South Korea, a city the size of Birmingham, went into VOLUNTARY lockdown because there was an outbreak caused by ONE person, who decided they weren't going to be tested or self-isolate.
New Zealand got away with things because they had LESS cases in the first place. Geography plays a part.
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Covid-19 cases are rising in many parts of Canada, but one region - Nunavut, a northern territory - is a rare place in North America that can say it's free of coronavirus in its communities.
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Natural isolation is likely to be part of the reason for the lack of cases - those communities can only be reached year-round by plane.
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In late September, there was an outbreak linked to workers who flew in from the south to a remote gold mine 160km (100 miles) from the Arctic Circle.
(Those cases are currently being counted as infections in the miners' home jurisdictions, keeping the territory's official case count at nil).
That outbreak has "almost no chance" of spreading in the community because there hasn't been any travel between the mine and any of the communities for months, says Dr Patterson.
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