Epidemiology

The new normal

Covid-19 is here to stay. The world is working out how to live with it

People will have to change their behaviour to prevent second waves of the virus

Light amid the gloom

A cheap steroid cuts deaths from severe covid-19

Dexamethasone appears most effective for patients needing ventilation

Global health

Pandemic-proofing the planet

New diseases are inevitable. Ensuing global calamities are not


The Economist explains

The science behind social-distancing measures

Would Britons be safe to gather as closely together as Danes?

Testing times

African countries are struggling to keep track of covid-19

Not enough tests are being done to contain the virus