By Aubrey Hruby and Aubrey RugoWASHINGTON, DC — As the COVID-19 crisis has escalated, stay-at-home orders have led to a surge in online purchases, of everything from groceries to medicines to household essentials, by consumers in the advanced economies.

By Simon Johnson, Galit Alter, Tess Cameron and Michael MinaCAMBRIDGE — In Massachusetts, which has a population of close to seven million, over 6,000 people have died from COVID-19 since the beginning of March.

By Carlos Alvarado Quesada and Tedros Adhanom GhebreyesusSAN JOSÉ — The COVID-19 pandemic began less than six months ago, but we have already learned a great deal about the disease.

LONDON/NAIROBI – Every year, some nine million people worldwide, equivalent to the population of Austria, die of hunger or hunger-related diseases. That is tragic enough, but COVID-19’s disruption of food supply chains risks doubling this number in 2020.

By Carl Manlan and Henri-Michel YéréLOMÉ/BASEL – COVID-19 poses the greatest threat yet to the systems of international integration instituted during the twentieth century.

By Tolullah Oni, Gillian Marcelle, and Tau TavengwaCAMBRIDGE – The COVID-19 pandemic will have dangerous, far-reaching implications long into the future, especially if it derails recent improvements in many countries’ historically weak health systems.

By Joseph E.

By George P. Shultz , Michael J. Boskin and John B. TaylorSTANFORD – The unprecedented shutdown of much of the US economy that has been ordered by federal, state and local governments is understandable given the need to slow the coronavirus’s spread.

LONDON — This week, leaders from medicine, economics, politics and civil society are uniting to demand immediate and coordinated international action, in the next few days, to mobilise the resources needed to address the COVID-19 crisis, prevent the current health catastrophe fro