When will a coronavirus vaccine be ready?

Even at their most effective – and draconian – containment strategies have only slowed the spread of the respiratory disease Covid-19. With the World Health Organization finally declaring a pandemic, all eyes have turned to the prospect of a vaccine, because only a vaccine can prevent people from getting sick…

Illustration by James Melaugh

This article first appeared in The Observer on 15 March 2020. To continue reading, click here.