Coronavirus: success stories

How did countries deal with the Covid-19?

A few stats (18th May 2020):

https://news.google.com/covid19/map?hl=en-GB&gl=GB&ceid=GB:en 

Country Population (M) Cases Cases/1M Deaths
Vietnam 95.54 320 3 0
New Zealand 4.89 1149 231 21
United Kingdom 66.65 234,695 3,668 34,636
United States 328.2 1,516,343 4,601 89,932
Italy 60.36 225,435 3,742 31,908
China 1,393 82,954 59 4,634