New Zealand is to begin a three-day lockdown after a single case is reported.

[BumRushDaShow]

8. The population of NZ is about 4.9 million

and runs somewhere between the population of Los Angeles (city) and Cook County, IL (home to Chicago), and is this size geographically, compared to the U.S. -



And even then, the population is concentrated along the coastal areas -

https://thumbor.forbes.com/thumbor/500x716/

(edit to add updated pop. density from here - https://www.forbes.com/sites/marshallshepherd/2020/08/10/how-geography-helped-new-zealand-beat-coronavirus/?sh=554fca84215b and here - https://www.stats.govt.nz/information-releases/subnational-population-estimates-at-30-june-2018-provisional)

So the U.S. has and can do it on their scale. But doing it nationwide here is what is the impossibility, absent a sci-fi fantasy military-imposed enforcement. And with the 2nd Amendment in full force, it ain't happening.