19 de março de 2020 USA TODAY analysis: America’s coronavirus ‘curve’ may be at its most dangerous point
17 de março de 2020 How cities around the world are handling COVID-19 – and why we need to measure their preparedness
12 de março de 2019 Opinion: Pandemics are the world’s silent killers. We need new ways to contain them.
23 de janeiro de 2019 The Sahel is engulfed by violence. Climate change, food insecurity and extremists are largely to blame