One country has done more than any other to stop the spread of the coronavirus

British Response to Covid-19 Has Been World-Class: When the discussion turns to which countries have responded best to Covid-19 — and if nothing else, the pandemic frees up a lot of time for this debate — those most often mentioned are Taiwan, New Zealand and Vietnam. I would like to make a more surprising nomination: the U.K. Covid-19 is a potential scourge to billions around the globe, so the pertinent question is which country has done the most to stop it.