Half of all coronavirus sufferers display no symptoms at all, Iceland's experience suggests

There's a lot about Iceland that other countries could envy: Its spectacular natural surroundings, its place among the world's happiest countries, and, now, its large-scale testing for the novel coronavirus, which could influence how the world understands the outbreak.

source https://www.cnn.com/2020/04/01/europe/iceland-testing-coronavirus-intl/index.html