Is Smell Loss A Symptom of Coronavirus?

The main coronavirus symptoms we've been told to look out for are a new, continuous cough and a fever. But there could be a silent but widespread symptom which has yet to be included in official public health guidelines. Growing numbers of people are reporting that they have either partially or completely lost their sense of smell. With clinicians experiencing a sharp rise in enquiries from people said to be suffering from the symptom. But is smell loss a symptom of Covid-19? And should it be added to the official symptom list? We speak to experts Professor Carl Philpott and Professor Claire Hopkins to find out.