How Vietnam, Like Taiwan, Was Able to Control The Spread of the Covid-19 Coronavirus
Just like Taiwan, they already prepared as early as January too as soon as they found out about the coronavirus in China. Preparation is the key.
https://www.npr.org/sections/coronavirus-live-updates/2020/04/16/835748673/in-vietnam-there-have-been-fewer-than-300-covid-19-cases-and-no-deaths-heres-why