The Ebola outbreak of 2014 had a mortality rate of around 60% and claimed more than 11 000 lives, with Guinea, Sierra Leone and Liberia bearing the brunt of the loss. More than a year after the outbreak started, in May 2015, Liberia became the first of the three countries to be declared Ebola-free. (http://bit.ly/1F1gN6J see the The Economist’s infographic on the outbreak here: http://econ.st/1c8xu96)

This week’s theme: Death and Disease