The global fight against coronavirus

In just a couple of months the new coronavirus that emerged from the Chinese city of Wuhan has spread around the world, sparking a race to find treatments and vaccines against it. The human race is locked in a battle against something five million times smaller than us. The novel coronavirus that has emerged from the Wuhan in China has gone from an unknown enemy to feared worldwide, in a matter of months. As it continues to spread around the world, bringing panic with it, scientists are striving to develop ways of fighting this previously unknown threat. Sophisticated computer modelling is being used to track and predict its transmission, while virologists are attempting to engineer a vaccine. Others are seeking drug treatments that can help those who fall ill with the infection. But this is not the first coronavirus scientists have encountered, and defeating them is harder than you might think. Even after...